0580/23 May/Jun 2025, Question 7: Multiplication and Division of Fractions
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Non-calculator · 5 marks
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The question, in short
Calculate two fraction problems: a subtraction of 5/6 and 7/12, and a division of 1 1/3 by 8/15, giving each result in the required form.
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Part (a) · 2 marks
Subtract 7/12 from 5/6 and express the result as a fraction reduced to lowest terms.
- 15/6 = 10/12
- 210/12 − 7/12 = 3/12 = 1/4
Answer1/4
Part (b) · 3 marks
Divide 1 1/3 by 8/15 and write the result as a mixed number in lowest terms.
- 11 1/3 = 4/3
- 24/3 ÷ 8/15 = 4/3 × 15/8 = 60/24
- 3= 5/2 = 2 1/2
Answer2 1/2
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