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0580/21 May/Jun 2025, Question 4: Addition and Subtraction of Fractions

Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Non-calculator · 3 marks

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The question, in short

Work out the value of 5/6 − 2/3 × 3/8, using the correct order of operations.

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

Solution · 3 marks

  1. 12/3 × 3/8 = 6/24 = 1/4
  2. 25/6 − 1/4 = 10/12 − 3/12
  3. 3= 7/12

Answer7/12

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