ICSE ICSE Class 7 - CISCE Question Bank Solutions for Mathematics

Separate positive and negative rational numbers from the following: 

`(-3)/5 , 3/-5 , (-3)/(-5), 3/5 , 0 , (-13)/-3 , 15/-8 , (- 15)/8`

Express the following integer as a rational number with denominator 7- 5

Express the following integer as a rational number with denominator 7:  - 8 

Express the following integer as a rational number with denominator 7:  0

Express the following integer as a rational number with denominator 7:  -16

Express the following integer as a rational number with denominator 7:  7

Express `3/5` as a rational number with denominator: 20

Express `3/5` as a rational number with denominator: - 20

Express `3/5` as a rational number with denominator: 45

Express `3/5` as a rational number with denominator: 25

Express `3/5` as a rational number with denominator: − 35

Express `4/7` as a rational number with numerator: 12

Express `4/7` as a rational number with numerator: -12

Express `4/7` as a rational number with numerator: -16

Express `4/7` as a rational number with numerator: −20

Express `4/7` as a rational number with numerator: 20

The sum of two rational numbers is `11/24`. If one of them is `3/8`, fine the other.

The sum of two rational numbers is `(-7)/12`. If one of them is `13/24`, fine the other.

The sum of two rational numbers is -4. If one of them is `(-13)/12`, fine the other.

What should be added to `(-3)/32` to get `53/96`?