## ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 2 Fractions and Decimals Ex 2.2

Question 1.

Evaluate the following:

Solution:

Question 2.

Simplify the following:

Solution:

Question 3.

Jaishree studies for 5\(\frac { 2 }{ 3 }\) hours daily. She devotes 2\(\frac { 4 }{ 5 }\) hours of her time for Science and Mathematics. How much time does she devote to other subjects?

Solution:

Time given to study = 5\(\frac { 2 }{ 3 }\) hours daily

Time given to Science and Maths = 2\(\frac { 4 }{ 5 }\) hours

Question 4.

Ramesh solved \(\frac { 2 }{ 7 }\) part of an exercise while Reshma solved \(\frac { 4 }{ 5 }\) of it. Who solved the lesser part? By how much?

Solution:

Ramesh solved \(\frac { 2 }{ 7 }\) part of an exercise

But Reshma solved \(\frac { 4 }{ 5 }\) of it

So, Reshma does \(\frac { 18 }{ 35 }\) part of it less then Ramesh.

Question 5.

Sonali had ₹ 35\(\frac { 3 }{ 5 }\). She got ₹ 16\(\frac { 1 }{ 15 }\) from her mother and spent ₹ 28\(\frac { 2 }{ 3 }\) on food. How much money is left with her?

Solution:

Sonali had = ₹ 35\(\frac { 3 }{ 5 }\) = ₹ \(\frac { 178 }{ 5 }\)

She gets ₹ 16\(\frac { 1 }{ 15 }\) from her mother

and spent ₹ 28\(\frac { 2 }{ 3 }\) on food

Amount left with her