Page 203 - Ganit Kaushal

Exercise 7.2

1. Express the following fractions in the lowest terms (simplest form): (NCERT)

(a) 17 (b) 64 (c) 126 (d) 525
51 144 147 112
2. The length of the blue line is given for illustration. What is the length of the black lines shown
below? Write the fraction that gives the length of the black line in the boxes given for the purpose.

(NCERT)

(a)

0 1 1 2
2

(b)

0 1 2 3 4 1 2
5 5 5 5
3. Convert each of the following into a mixed fraction:

(a) 227 (b) 145 (c) 127 (d) 19
15 9 5 9
4. Convert each of the following into an improper fraction:

2 1 1 3
(a) 5 (b) 4 (c) 3 (d) 5
7 19 14 5

5. Find equivalent fractions for the given pairs of fractions, such that the fractional units are the same.
Also, write the common fractional unit in each case. (NCERT)
7 3 8 5 3 3 6 8
(a) and (b) and (c) and (d) and
2 5 3 6 4 5 7 5
6. How much does each child get when 2 rotis are shared equally by 4 children? Also, write the
corresponding division facts, addition facts, and multiplication facts. (NCERT)

7. The fraction represented by the shaded portion in the adjoining figure is
1 6
(a) (b)
4 8

4 3
(c) (d)
6 2
8. The fraction represented by the thick blue line on the 0 1 2
number line in the adjoining figure is
6 5 3 6
(a) (b) (c) (d)
5 6 5 4

Fractions 201