Q1.
5⁄8 – 3⁄8
Answer
5/8 − 3/8 = (5 − 3)/8 = 2/8
2/8 = (2 ÷ 2)/(8 ÷ 2) = 1/4
2/8 = (2 ÷ 2)/(8 ÷ 2) = 1/4
Answer: 2⁄8, which in lowest terms is 1⁄4.
NCERT Solutions Ganita Prakash Chapter 7 Subtraction with the same denominator — Figure it Out
Book page 181 Updated on2026-09-05
Q2.
7⁄9 – 5⁄9
Answer
7/9 − 5/9 = (7 − 5)/9 = 2/9
2 and 9 have no common factor, so 2⁄9 is already in lowest terms.
Q3.
10⁄27 – 1⁄27
Answer
10/27 − 1/27 = (10 − 1)/27 = 9/27
9/27 = (9 ÷ 9)/(27 ÷ 9) = 1/3
9/27 = (9 ÷ 9)/(27 ÷ 9) = 1/3
Answer: 9⁄27, which in lowest terms is 1⁄3.