AI generatedNumberKey Stage 3

Reciprocals of fractions

The reciprocal of a non-zero number multiplies with it to make 1.

  • The reciprocal of a non-zero number multiplies with it to make 1.
  • For a non-zero fraction, exchange the numerator and denominator. Keep any negative sign.
  • Convert a mixed number to an improper fraction before finding its reciprocal. Zero has no reciprocal.

Example 1

Find the reciprocal.

Write the number as one fraction.Exchange numerator and denominator.

Example 2

Find the reciprocal.

Write the number as one fraction.Exchange numerator and denominator.

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

Your turn

Question 1

Find the reciprocal.

Check answer
Write the number as one fraction.Exchange numerator and denominator.

Check: .

Question 2

Find the reciprocal.

Check answer
Write the number as one fraction.Exchange numerator and denominator.

Check: .

Question 3

Find the reciprocal.

Check answer
Write the number as one fraction.Exchange numerator and denominator.

Check: .

Question 4

Find the reciprocal.

Check answer
Write the number as one fraction.Exchange numerator and denominator.

Check: .

Question 5

Find the reciprocal.

Check answer
Write the number as one fraction.Exchange numerator and denominator.

Check: .