Exercise 7.5

NCERT Answers for Class 6 Maths Chapter 7 Fractions Ex 7.5

Ex 7.5 Class 6 Maths Question 1. Write these fractions appropriately as additions or subtractions :

Answer

Ex 7.5 Class 6 Maths Question 2. Solve

(a) 1/18 + 1/18
(b) 8/15 + 3/15
(c) 7/7 – 5/7
(d) 1/22 + 21/22
(e) 12/15 – 7/15
(f) 5/8 + 3/8
(g) 1-2/3 (1=3/3)
(h) 1/4 + 0/4
(i) 3 – 12/15

Answer

(a) 1 / 18 + 1 / 18

= (1 + 1) / 18

= 2 / 18

= 1 / 9

(b) 8 / 15 + 3 / 15

= (8 + 3) / 15

= 11 / 15

(c) 7 / 7 – 5 / 7

= (7 – 5) / 7

= 2 / 7

(d) 1 / 22 + 21 / 22

= (1 + 21) / 22

= 22 / 22

= 1

(e) 12 /15 – 7 / 15

= (12 – 7) / 15

= 5 / 15

= 1 / 3

(f) 5 / 8 + 3 / 8

= (5 + 3) / 8

= 8 / 8

= 1

(g) 1 – 2 / 3

= 3 / 3 – 2 / 3

= (3 – 2) / 3

= 1 / 3

(h) 1 / 4 + 0

= 1/ 4

(i) 3 – 12 / 5

= 15 / 5 – 12/ 5

= (15 – 12) / 5

= 3 / 5

Ex 7.5 Class 6 Maths Question 3. Shubham painted 2/3 of the wall space in his room. His sister Madhavi helped and painted 1/3 of the wall space. How much did they paint together?

Answer

Wall space painted by Shubham in a room = 2 / 3

Wall space painted by Madhavi in a room = 1 / 3

Total space painted by both = (2 / 3 + 1 / 3)

= (2 + 1) / 3

= 3 / 3

= 1

Therefore, Shubham and Madhavi together painted 1 complete wall in a room.

Ex 7.5 Class 6 Maths Question 4. Fill in the missing fractions.

Answer

a) Given 7 / 10 – ▯ = 3 / 10

▯ = 7 / 10 – 3 / 10

▯ = (7 – 3) / 10

▯ = 4 / 10

▯ = 2 / 5

(b) Given ▯ – 3 / 21 = 5 / 21

▯ = 5 / 21 + 3 / 21

▯ = (5 + 3) / 21

▯ = 8 / 21

(c) Given ▯ – 3 / 6 = 3 / 6

▯ = 3 / 6 + 3 / 6

▯ = (3 + 3) / 6

▯ = 6 / 6

▯ = 1

(d) Given ▯ + 5 / 27 = 12 / 27

▯ = 12 / 27 – 5 /27

▯ = (12 – 5) / 27

▯ = 7 /27

Ex 7.5 Class 6 Maths Question 5. Javed was given 5/7 of a basket of oranges. What fraction of oranges was left in the basket?

Answer

Fraction of oranges given to Javed = 5 / 7

Fraction of oranges left in the basket = 1 – 5 / 7

= 7 / 7 – 5 / 7

= (7 – 5) / 7

= 2 / 7