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4024/12 May/Jun 2021, Question 1: Converting Decimals to Fractions

Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks

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The question, in short

Convert the decimal 0.45 to a fraction in simplest form, then arrange the fractions 4/5, 7/10 and 17/20 from smallest to largest.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Express 0.45 as a fraction reduced to its lowest terms.

  1. 10.45 = 45/100
  2. 2= 9/20 (÷ 5)

Answer9/20

Part (b) · 1 mark

Put 4/5, 7/10 and 17/20 in ascending order of size, smallest first.

  1. 14/5 = 0.8, 7/10 = 0.7, 17/20 = 0.85
  2. 2Order: 7/10, 4/5, 17/20

Answer7/10, 4/5, 17/20

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Also searched as: 4024/12/M/J/21 · 4024_s21_qp_12 · 4024 s21 12 · question 1.
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