4024/12 May/Jun 2020, Question 1: Addition and Subtraction of Fractions
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 3 marks
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The question, in short
Calculate two arithmetic values: a decimal product and a mixed-number subtraction.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Multiply 0.05 by 0.3.
- 15 × 3 = 15, with 3 decimal places
- 20.05 × 0.3 = 0.015
Answer0.015
Part (b) · 2 marks
Subtract 1/5 from 2 2/3.
- 12 2/3 − 1/5 = 8/3 − 1/5
- 2= 40/15 − 3/15
- 3= 37/15 = 2 7/15
Answer2 7/15 or 37/15
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Also searched as: 4024/12/M/J/20 · 4024_s20_qp_12 · 4024 s20 12 · question 1.
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