AI generatedNumberKey Stage 3

Dividing a fraction by a whole number

Dividing by a positive whole number shares the fraction into that many equal groups.

  • Dividing by a positive whole number shares the fraction into that many equal groups.
  • Write the whole number over 1. Dividing by it is the same as multiplying by its reciprocal.
  • Multiply the denominators, keep the numerator, then simplify.

Example 1

Calculate. Give your answer in simplest form.

Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.

Example 2

Calculate. Give your answer in simplest form.

Multiply by the reciprocal of the divisor.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
Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.
Question 2

Calculate. Give your answer in simplest form.

Check answer
Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.
Question 3

Calculate. Give your answer in simplest form.

Check answer
Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.
Question 4

Calculate. Give your answer in simplest form.

Check answer
Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.
Question 5

Calculate. Give your answer in simplest form.

Check answer
Multiply by the reciprocal of the divisor.Multiply the numerators and the denominators.
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