ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 3 Rational Numbers Ex 3.3

ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 3 Rational Numbers Ex 3.3

Question 1.
Add the following pairs of rational numbers:

Solution:

Question 2.
Find the sum:

Solution:

Question 3.
Subtract:

Solution:

Question 4.
Find:

Solution:

Question 5.
The sum of two rational numbers is \(\frac { 2 }{ 5 }\) if one of them is \(\frac { -4 }{ 7 }\), find the other.
Solution:
Sum of two rational numbers = \(\frac { 2 }{ 5 }\)
One of them = \(\frac { -4 }{ 7 }\)

Question 6.
What rational number should be added to \(\frac { -5 }{ 12 }\) to get \(\frac { -7 }{ 8 }\)?
Solution:
Sum of two rational numbers = \(\frac { -7 }{ 8 }\)
One number = \(\frac { -5 }{ 12 }\)

Question 7.
What rational number should be subtracted from \(\frac { -2 }{ 3 }\) to get \(\frac { -5 }{ 6 }\)?
Solution:

Question 8.
Find the product:

Solution:

Question 9.
Find the value of:

Solution:

Question 10.
The product of two rational numbers is \(\frac { 18 }{ 35 }\) If one of them is \(\frac { -2 }{ 5 }\), find the other.
Solution:
Product of two rational numbers = \(\frac { 18 }{ 35 }\)
One of them = \(\frac { -2 }{ 5 }\)

Question 11.
Find the value of:

Solution:

Question 12.
Find the reciprocal of the following:

Solution:

ML Aggarwal Class 7 Solutions for ICSE Maths