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NCERT Solutions for Class 7 Maths Chapter 9 Rational Numbers Exercise 9.2 is provided in this article. Rational numbers are usually written in p/q form where p and q are integers and q is a non zero integer.
- 5 can be written as a rational number in the form of 5/1.
- The decimal 1.5 can be written as a rational number in the form of 3/2.
Download PDF: NCERT Solutions for Class 7 Maths Chapter 9 Exercise 9.2
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Examples of Class 7 Chapter 9 Rational Numbers
| Ques 1. Add ⅝ and 13/8. Ans. To add two fraction of same denominator, take the common denominator out. = ⅛ [5+13] = ⅛ [18] = 9/4 Ques 1. Add 5/4 and 9/2. Ans. To add two fraction of different denominator, take the LCM of the denominators. LCM of denominator 4 and 2 = 4. Then multiply the common multiple with the numerator. 5/4 x 1 = 5/4 9/2 x 2 = 18/4 Now add the two fractions together. = ¼ [5 + 18] = 23/4 |
Read More:
| Irrational Numbers | Decimal Expansion of Rational Numbers | Relation Between HCF and LCM |
| Operations on Rational Numbers | Properties of Rational Numbers | Rationalize the Denominator |
Class 7 Maths Guides:
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