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FractionsShort answer · 2 marks

Mrs Tan has 512 of a bag of soil. She shares all of it equally among 15 flower pots. What fraction of the whole bag goes into each pot? Give your answer as a fraction in its simplest form.

Need a hint?

Sharing equally among 15 pots means dividing the fraction by 15. Multiply the denominators too, then simplify.

Worked answer

  1. Each pot gets 512 ÷ 15.
  2. Dividing by 15 is the same as multiplying by 115: 512 × 115 = 5180.
  3. Divide the top and bottom by 5: 5180 = 136.
Answer: 1/36

The mistake this question tests

Habit

Simplest form in final fraction answers

Pupils multiply 512 by 15 instead of dividing, which gives a fraction much larger than the whole bag. Sharing into more parts makes each part smaller.

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