AI generatedNumberKey Stage 3

Multiplying a fraction by a whole number

Multiplying by a whole number means adding that many copies of the fraction.

  • Multiplying by a whole number means adding that many copies of the fraction.
  • Write the whole number over 1, then multiply the numerators and multiply the denominators.
  • Cancel common factors before multiplying, or simplify the answer afterwards.

Example 1

Calculate. Give your answer in simplest form.

Write the whole number over 1.Multiply the numerators and the denominators.

Example 2

Calculate. Give your answer in simplest form.

Write the whole number over 1.Multiply the numerators and the denominators.

Remember
Use the worked steps to check your method, not just the final answer.

Your turn

Question 1

Calculate. Give your answer in simplest form.

Check answer
Write the whole number over 1.Multiply the numerators and the denominators.
Question 2

Calculate. Give your answer in simplest form.

Check answer
Write the whole number over 1.Multiply the numerators and the denominators.
Question 3

Calculate. Give your answer in simplest form.

Check answer
Write the whole number over 1.Multiply the numerators and the denominators.
Question 4

Calculate. Give your answer in simplest form.

Check answer
Write the whole number over 1.Multiply the numerators and the denominators.
Question 5

Calculate. Give your answer in simplest form.

Check answer
Write the whole number over 1.Multiply the numerators and the denominators.
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