Rational Numbers - NCERT Class 7 Maths

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The chapter 9 begins with an introduction to Rational Numbers by firstly explaining the need for rational numbers.Then the concept of rational numbers, numerator and denominator of the rational number and equivalent rational numbers are explained in detail.This is followed by the concept of positive and negative rational numbers.Then the representation of rational numbers on a number line is studied.Rational numbers in the  standard form and comparison of rational numbers and rational numbers between two rational numbers  is the next topic of discussion.Various operations on rational numbers such as addition, subtraction, multiplication and division is explained in the last section of the chapter.

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