{"id":680,"date":"2020-08-28T03:03:12","date_gmt":"2020-08-28T03:03:12","guid":{"rendered":"http:\/\/themindpalace.in\/?p=680"},"modified":"2021-08-28T09:41:23","modified_gmt":"2021-08-28T09:41:23","slug":"rational-numbers","status":"publish","type":"post","link":"https:\/\/themindpalace.in\/index.php\/2020\/08\/28\/rational-numbers\/","title":{"rendered":"Rational Numbers"},"content":{"rendered":"\n<p><a href=\"#summary\">Summary of rational numbers<\/a><\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-red-color\">An Introduction to Number system<\/span><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"summary\">Summary<\/h1>\n\n\n\n<p>A set of values used to represent different quantities is known as \u201cNumber System\u201d. &nbsp;&nbsp;&nbsp; For example, a number system can be used to represent the number of students or the number of viewers watching a certain TV program, the temperature of a place, height of plants, etc.<\/p>\n\n\n\n<p>The number theory has a fundamental body of knowledge.this number theory has played a pivotal role in the development of mathematics even Pythagoras believe that everything is numbers. The number system is a system of representing numbers. The whole numbers are the original source of all mathematics.<\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-purple-color\"><strong>Real Number System<\/strong>.<\/span><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide16-300x169.jpg\" alt=\"\" class=\"wp-image-1031\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide16-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide16-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide16-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide16.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p><span style=\"color:#ec5526\" class=\"has-inline-color\">Real number System includes the<\/span><\/p>\n\n\n\n<ul><li>Natural Numbers <\/li><li>whole Numbers<\/li><li>Integers <\/li><li>Rational number<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"epyt-video-wrapper\"><iframe loading=\"lazy\"  id=\"_ytid_87643\"  width=\"480\" height=\"270\"  data-origwidth=\"480\" data-origheight=\"270\" src=\"https:\/\/www.youtube.com\/embed\/464Nctw4iXw?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"YouTube player\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#471eec\" class=\"has-inline-color\">Rational Number<\/span><\/h4>\n\n\n\n<p>Rational numbers are a subset of the real numbers. Any number which can be written in the form of, P by Q, Where P and Q are integers. all the integers are rational numbers are represented by Q. If Q is equal to zero then P by Q becomes not defined.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide1-1-300x169.jpg\" alt=\"\" class=\"wp-image-1032\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide1-1-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide1-1-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide1-1-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide1-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p><strong><span class=\"has-inline-color has-vivid-red-color\">Rational numbers include<\/span><\/strong><\/p>\n\n\n\n<ul><li>Natural numbers<\/li><li>Whole numbers<\/li><li>Integers and<\/li><li>all negative and positive fractions.<\/li><\/ul>\n\n\n\n<p><strong><span style=\"color:#bc169e\" class=\"has-inline-color\">Zero as a Rational Numbers<\/span><\/strong><\/p>\n\n\n\n<p>Zero divided by any integer results the rational number zero. so 0 can be written in the form of p\/q. Therefore 0 is also a  rational number. for example o\/11, o\/(-8), 0\/8, 0\/5 etc.<\/p>\n\n\n\n<p><span style=\"color:#ae1a7d\" class=\"has-inline-color\"><strong>Negative and positive Rational Numbers.<\/strong><\/span><\/p>\n\n\n\n<p>If P and Q both are positive the rational number is positive. For example (7\/8), (56\/145), (6\/1259), etc.<\/p>\n\n\n\n<p>If p and q both are negative the rational number is positive.<\/p>\n\n\n\n<p>For example: (-56\/-65)=56\/65 (as when we  simplify a rational number the minus sign get cuts.<\/p>\n\n\n\n<p>If any of p or q are negative the rational number is negative<\/p>\n\n\n\n<p>Example: 98\/(-5), (-1)\/2, etc<\/p>\n\n\n\n<p>2             1<\/p>\n\n\n\n<p>3             4<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#4a1eb9\" class=\"has-inline-color\">Representation of number on the Number line<\/span><\/h4>\n\n\n\n<p>Number line can be represented on the number line according to their types.<\/p>\n\n\n\n<p><span style=\"color:#a3129e\" class=\"has-inline-color\">The most ways of representing the number line are as follows:<\/span><\/p>\n\n\n\n<ul><li>Natural number<\/li><li>Whole numbers <\/li><li>Integers<\/li><li>Rational numbers<\/li><\/ul>\n\n\n\n<p><strong><span style=\"color:#2a00a3\" class=\"has-inline-color\">Number line of natural numbers<\/span><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide31-300x169.jpg\" alt=\"\" class=\"wp-image-1034\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide31-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide31-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide31-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide31.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>The line extends indefinitely only to the right side of 1<\/p>\n\n\n\n<p><strong><span style=\"color:#1b20a1\" class=\"has-inline-color\">Number Line of Whole Numbers<\/span><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide32-300x169.jpg\" alt=\"\" class=\"wp-image-1036\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide32-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide32-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide32-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide32.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>The line extends indefinitely to the right , but from 0<\/p>\n\n\n\n<p>There are no numbers to the left of the 0<\/p>\n\n\n\n<p><strong><span style=\"color:#220e9f\" class=\"has-inline-color\">Number line of Integers<\/span><\/strong>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide33-300x169.jpg\" alt=\"\" class=\"wp-image-1037\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide33-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide33-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide33-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide33.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>The line extends indefinitely on both the sides.<\/p>\n\n\n\n<p><strong><span style=\"color:#0007a3\" class=\"has-inline-color\">Number Line of rational Numbers<\/span><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide34-1-300x169.jpg\" alt=\"\" class=\"wp-image-1039\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide34-1-300x169.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide34-1-1024x576.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide34-1-768x432.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/10\/Slide34-1.jpg 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p>The line extends indefinitely to both the sides. But yo can now see numbers between 1,0,0,1 etc.<\/p>\n\n\n\n<p>So, unlike natural numbers and integers, there are countless rational numbers between any two given rational numbers.<\/p>\n\n\n\n<p><span style=\"color:#b22439\" class=\"has-inline-color\"><strong>PROPERTIES OF RATIONAL NUMBERS<\/strong><\/span><\/p>\n\n\n\n<p><span style=\"color:#ae20ac\" class=\"has-inline-color\">Properties of rational numbers lie under the four operations of arithmetic: &nbsp;&nbsp;<\/span>&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<ul><li>Addition of rational numbers. &nbsp;&nbsp;&nbsp; <\/li><li>Subtraction of rational numbers. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/li><li>Multiplication of rational numbers. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/li><li>Division of rational numbers.<\/li><\/ul>\n\n\n\n<p><span class=\"has-inline-color has-vivid-purple-color\"><strong>Different Properties of rational numbers<\/strong><\/span><\/p>\n\n\n\n<ul><li>Closure Property <\/li><li>Associative property <\/li><li>Distributive property <\/li><li>Additive property <\/li><li>Multiplicative inverse<\/li><\/ul>\n\n\n\n<p><strong><span class=\"has-inline-color has-vivid-purple-color\">Closure property<\/span><\/strong><\/p>\n\n\n\n<p>Rational numbers are closed under addition. That is, for any two rational numbers a and b, a+b is also a rational numbers<\/p>\n\n\n\n<p>For Example \u2013 8+3 = 11 (a rational&nbsp;&nbsp;number)<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; a+b=c<\/p>\n\n\n\n<p>Rational numbers are closed under subtraction. That is, for any two rational numbers a and b, a-b is also a rational numbers<\/p>\n\n\n\n<p>&nbsp; For Example : 8-3 = 5 (a rational&nbsp;&nbsp;number)<\/p>\n\n\n\n<p>&nbsp;&nbsp;<span class=\"has-inline-color has-vivid-purple-color\">&nbsp;&nbsp;&nbsp; a-b=c<\/span><\/p>\n\n\n\n<p>Rational numbers are closed under Multiplication. That is, for any two rational numbers a and b, a X b is also a rational numbers<\/p>\n\n\n\n<p>&nbsp; For Example : 8X3 = 24 (a rational&nbsp;&nbsp;<\/p>\n\n\n\n<p>&nbsp; number)<\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-purple-color\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; a x b=c<\/span><\/p>\n\n\n\n<p><span style=\"color:#c82ba6\" class=\"has-inline-color\"><strong>Identity Property&nbsp;&nbsp;&nbsp;(property of 0)<\/strong><\/span><\/p>\n\n\n\n<p>Zero added to any rational numbers the number does not change. so zero is called Identity Elements for the addition of rational numbers.(0+a=a)<\/p>\n\n\n\n<p>Additive Inverse: If the sum of two rational numbers is 0 then the two numbers are called additive inverse of each other.<\/p>\n\n\n\n<p>For example, 2\/3+(-2)3=0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong><span class=\"has-inline-color has-vivid-purple-color\">COMMUTATIVE PROPERTY<\/span><\/strong><\/p>\n\n\n\n<p>Addition The sum of two rational numbers does not depend on the order in which they are added. (a+b= b+a)<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp; for example , a=1\/2&nbsp; ,b=3\/4<\/p>\n\n\n\n<p>&nbsp;1\/2+ 3\/4 = 3\/4 + 1\/2&nbsp; = 5\/4&nbsp;&nbsp;&nbsp;&nbsp; Subtraction v Rational number do not hold commutative property<\/p>\n\n\n\n<p>Example -1<\/p>\n\n\n\n<p>If a=1\/2 &nbsp;and b=3\/4 , verify the following i)aXb=bXa ii)a+b=b+a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"281\" height=\"364\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/ex.jpg\" alt=\"\" class=\"wp-image-689\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/ex.jpg 281w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/ex-232x300.jpg 232w\" sizes=\"(max-width: 281px) 100vw, 281px\" \/><\/figure><\/div>\n\n\n\n<p><span style=\"color:#a621a1\" class=\"has-inline-color\"><strong>COMMUTATIVE PROPERTY<\/strong><\/span><\/p>\n\n\n\n<p>Multiplication Two rational number can be multiplied in any order. <\/p>\n\n\n\n<p>For example 1\/2\u00d73\/4=3\/4\u00d71\/2=3\/8 <\/p>\n\n\n\n<p>Division Rational numbers do not hold these property.<\/p>\n\n\n\n<p><strong><span style=\"color:#c22bae\" class=\"has-inline-color\">Associative Property<\/span><\/strong><\/p>\n\n\n\n<p>Addition The sum of three or more rational numbers does not depend on the way they are added. (a+b)+c =a+(b+c) \u2022 a=-2\/3 , b=5\/7 &nbsp;, c=1\/6.<\/p>\n\n\n\n<p><span style=\"color:#9c1da7\" class=\"has-inline-color\">Example 2<\/span><\/p>\n\n\n\n<p>If a=-2\/3 , b=5\/7&nbsp; , c=1\/6&nbsp; Verify&nbsp; that (a+b)+c= a+(b+c)<\/p>\n\n\n\n<p>LHS={&#8220;(a+b)+c&#8221; }&nbsp; RHS =&nbsp; {a+(b+c)}<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = {((-2)\/3+5\/7)+1\/6}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = {(-2)\/3+(5\/7+1\/6)}<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ={((-14+15))\/21+1\/6}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ={(-2)\/3+((30+7))\/42}<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =(1\/21+1\/6)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =((-2)\/3+37\/42)<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = ((9))\/42&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = ((-28+37)\/42)<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =3\/14&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = 9\/42&nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =3\/14&nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u2234LHS=RHS<\/p>\n\n\n\n<p><strong><span style=\"color:#bd22c5\" class=\"has-inline-color\">Associative Property<\/span><\/strong><\/p>\n\n\n\n<p>Rational numbers do not hold associative property under subtraction. \u2022 \u2022Multiplication: \u2022The product of three or more numbers does not depend on the order they are multiplied in or they are grouped as.<\/p>\n\n\n\n<p>(a+b)+c =a+(b+c)<\/p>\n\n\n\n<p>&nbsp;a=-2\/3 , b=5\/7&nbsp; , c=1\/6<\/p>\n\n\n\n<p><strong><span style=\"color:#b82999\" class=\"has-inline-color\">Multiplicative Identity<\/span><\/strong><\/p>\n\n\n\n<p>The product of any rational number with one is the number itself. so 1 is called the multiplicative identity of rational numbers. <\/p>\n\n\n\n<p>Zero property: The product of any rational number and 0 is 0. for example: 9874561253 X 0=0<\/p>\n\n\n\n<p>Distributive property of Multiplication over Addition and subtraction:<\/p>\n\n\n\n<p>[ax(b+c)=axb+axc]<\/p>\n\n\n\n<p>]ax(b-c)=axb-axc]<\/p>\n\n\n\n<p>Show that <strong>(-8\/ 9&#215;1\/-5)+-8\/9x-7\/11)= -8\/9 x 1\/-5+-7\/11)<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"278\" height=\"300\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/solve-prb-278x300.jpg\" alt=\"\" class=\"wp-image-697\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/solve-prb-278x300.jpg 278w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/solve-prb.jpg 495w\" sizes=\"(max-width: 278px) 100vw, 278px\" \/><\/figure><\/div>\n\n\n\n<p><strong><span style=\"color:#a71b89\" class=\"has-inline-color\">Property of Zero<\/span><\/strong><\/p>\n\n\n\n<p>Zero subtracted from any rational number leaves it unchanged and any rational number subtracted from 0 gives its additive inverse.<\/p>\n\n\n\n<p>For example: 3\/2-0=3\/2<\/p>\n\n\n\n<p>0-3\/2=(-3)\/2<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#9d1898\" class=\"has-inline-color\">Operation on Rational Numbers<\/span><\/h4>\n\n\n\n<p>Rational Numbers provide the first number system in which all the operations of arithmetic, addition, subtraction, multiplication, and division are possible.<\/p>\n\n\n\n<p>Multiplication &#8220;makes a number bigger&#8221; and division &#8220;makes a number smaller&#8221;. The arithmetical operation is reduced to operations between two rational numbers.<\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-purple-color\"><strong><span style=\"text-decoration: underline;\">Addition<\/span><\/strong>:<\/span> it is the first operations .This operation uses only one sign[+].<\/p>\n\n\n\n<p><strong><span style=\"text-decoration: underline;\"><span class=\"has-inline-color has-vivid-purple-color\">Subtraction<\/span><\/span><\/strong>: it is the second operation. This operation uses only one sign[-].<\/p>\n\n\n\n<p><strong><span style=\"text-decoration: underline;\"><span class=\"has-inline-color has-vivid-purple-color\">Multiplication<\/span><\/span><\/strong>:It is often described as a sort of short hand for addition This operation uses sign[x].<\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-purple-color\"><strong><span style=\"text-decoration: underline;\">Division<\/span><\/strong>:<\/span> It is the last and an important operation. The operation uses the sign[+].<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#b61598\" class=\"has-inline-color\">Adding Rational Numbers with Common denominators.<\/span><\/h4>\n\n\n\n<p>To add rational numbers that have a common denominator, we add the numerator, but we do not add the denominators.<\/p>\n\n\n\n<p>For example.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"83\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture2-300x83.jpg\" alt=\"\" class=\"wp-image-700\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture2-300x83.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture2-768x211.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture2.jpg 828w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption>addition ration number with denominators<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#b30d34\" class=\"has-inline-color\">Addition rational Numbers with Different Denominators.<\/span><\/h4>\n\n\n\n<p>To add rational numbers with different denominators, first, we equalize the denominators by enlarging each rational number by the &#8220;lowest common multiple&#8221;(LCM) as the denominator.then we add the numerators<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#c01e41\" class=\"has-inline-color\">Subtracting rational Numbers with Common Denominators.<\/span><\/h4>\n\n\n\n<p>Subtraction is the inverse operation of addition.<\/p>\n\n\n\n<p>To subtract rational numbers that have a common denominators, we subtract the numerator, but we not subtract the denominators.<\/p>\n\n\n\n<p>For example <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"719\" height=\"233\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture4.jpg\" alt=\"\" class=\"wp-image-701\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture4.jpg 719w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/Picture4-300x97.jpg 300w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><figcaption>Subtracting rational Numbers with Common Denominators.<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#731c89\" class=\"has-inline-color\">Subtracting rational Numbers with different denominators.<\/span><\/h4>\n\n\n\n<p>To subtract rational numbers with different denominators, first equalize the denominators by enlarging each rational numbers by the &#8220;lowest common multiple&#8221;(LCM) as the denominator.<\/p>\n\n\n\n<p>The subtract the numerators.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#b0177f\" class=\"has-inline-color\">Multiplying Rational Numbers<\/span><\/h4>\n\n\n\n<p>To multiply two rational numbers, we multiply the numerators to get the new numerator and multiply the denominators to get the new denominators.<\/p>\n\n\n\n<p>For example<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"48\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/multiply-dneominator1-300x48.jpg\" alt=\"\" class=\"wp-image-702\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/multiply-dneominator1-300x48.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/multiply-dneominator1-1024x162.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/multiply-dneominator1-768x122.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/multiply-dneominator1.jpg 1210w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption>multiplying rational number with denominators<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color:#a51692\" class=\"has-inline-color\">Division In Rational Numbers<\/span><\/h4>\n\n\n\n<p>To divide two rational numbers we take the reciprocal of the second rational number and multiply it by the first number.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"58\" src=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/division2-300x58.jpg\" alt=\"\" class=\"wp-image-705\" srcset=\"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/division2-300x58.jpg 300w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/division2-1024x198.jpg 1024w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/division2-768x149.jpg 768w, https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/division2.jpg 1267w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption>Division in rational numbers<\/figcaption><\/figure><\/div>\n\n\n\n<p><strong><span style=\"color:#9a199d\" class=\"has-inline-color\">Application And uses<\/span><\/strong><\/p>\n\n\n\n<p>Rational numbers are important <\/p>\n\n\n\n<p>They are used in the real world Everyday<\/p>\n\n\n\n<p>Even though we are not thinking about it if the number is rational or not, we still use them in our everyday lives.At school or in the kitchen.  We even see them on TV.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary of rational numbers An Introduction to Number system Summary A set of values used to represent different quantities is known as \u201cNumber System\u201d. &nbsp;&nbsp;&nbsp; For example, a number system can be used to&#46;&#46;&#46;<\/p>\n","protected":false},"author":3,"featured_media":681,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[110,475,14],"tags":[84,85,83],"cp_meta_data":{"_edit_lock":["1630143683:2"],"_edit_last":["2"],"_layout":["inherit"],"_oembed_95287caaddeb112cd4edfcbd8e525566":["<iframe title=\"Introduction of Computers  Part1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/SzIGR3gp_F4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>"],"_oembed_time_95287caaddeb112cd4edfcbd8e525566":["1598413834"],"_thumbnail_id":["681"],"_oembed_2114390256d5790522b89b1ee1860d6e":["{{unknown}}"],"_oembed_fd9d4adbd185d72e33524d0fb4c4ce06":["<iframe title=\"Rational Numbers - Part 1, NCERT 8th class Mathematics\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/464Nctw4iXw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>"],"_oembed_time_fd9d4adbd185d72e33524d0fb4c4ce06":["1609567762"],"_jetpack_related_posts_cache":["a:1:{s:32:\"8f6677c9d6b0f903e98ad32ec61f8deb\";a:2:{s:7:\"expires\";i:1778595196;s:7:\"payload\";a:3:{i:0;a:1:{s:2:\"id\";i:607;}i:1;a:1:{s:2:\"id\";i:3153;}i:2;a:1:{s:2:\"id\";i:1500;}}}}"],"_last_editor_used_jetpack":["block-editor"]},"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/themindpalace.in\/wp-content\/uploads\/2020\/08\/real-numbers.jpg","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/posts\/680"}],"collection":[{"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/comments?post=680"}],"version-history":[{"count":24,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/posts\/680\/revisions"}],"predecessor-version":[{"id":2587,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/posts\/680\/revisions\/2587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/media\/681"}],"wp:attachment":[{"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/media?parent=680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/categories?post=680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/themindpalace.in\/index.php\/wp-json\/wp\/v2\/tags?post=680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}