4MA1/1FR Jun 2020, Question 14: HCF and LCM
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 2 marks
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The question, in short
Find the lowest common multiple of 20 and 35.
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Solution · 2 marks
- 120 = 2² × 5
- 235 = 5 × 7
- 3LCM = 2² × 5 × 7 = 140
Answer140
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