Multiplying a fraction by a whole number and by a fraction
Answers are for parents and teachers.
1
Work out 7 × 3/4 and write it as a mixed number.
21/4 = 5 1/4.
2
Work out 4 × 1 2/3.
4 × 1 = 4 and 4 × 2/3 = 8/3 = 2 2/3. Total 6 2/3.
3
Without calculating, is 14 × 9/10 bigger or smaller than 14? Is 14 × 11/10 bigger or smaller?
14 × 9/10 is smaller than 14 (9/10 < 1). 14 × 11/10 is bigger than 14 (11/10 > 1).
4
Work out 3/5 × 5/6 and simplify.
15/30 = 1/2.
5
A bag holds 3/8 kg of dates. Youssef eats 2/3 of the bag. How many kilograms does he eat?
2/3 × 3/8 = 6/24 = 1/4 kg.