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  CHAPTER 1 RATIONAL NUMBER Here is provided explaination of properties and  Solution  of Chapter 1 Rational Number of Class 8 maths according to latest syllabus of CBSE 2020-21.Student are able to solve the question related to CHAAPTER 1 RATIONAL  NUMBER  and easily understand the properties related to CHAPTER 1 RATIONAL NUMER CLASS 8 MATHS INTRODUCTION: RATIONAL NUMBER:- A   number which can be written in the form of P/Q , where p and q  are integers and q does not equal to 0, is called rational number. For example:- 1/2,-1/2,0, 3/4 etc. Properties of CHAPTER 1 RATIONAL NUMBER ARE GIVEN BELOW: 1.CLOSURE:- According to this property , sum of two rational numbers is also rational number. This property is followed in Addition, subtraction, multiplication  and division  but if denominator is 0 it doesn't defined in division.    2.COMMUTATIVE :-  According to this property, Two rational numbers can be added in any order witho...