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Subtract fractions with unlike denominators

Year 5 maths · Fieldbook Learning

Name ______________________ Date __________

Find a common denominator, subtract, then simplify.

  1. 6/7 − 1/2 =
  2. 1/3 − 2/7 =
  3. 7/8 − 1/9 =
  4. 3/4 − 2/3 =
  5. 8/9 − 3/7 =
  6. 5/7 − 1/9 =
  7. 3/4 − 4/9 =
  8. 4/5 − 4/9 =
  9. 1/2 − 1/3 =
  10. 1/4 − 1/5 =
  11. 5/8 − 5/12 =
  12. 5/6 − 4/9 =
  13. 1/3 − 1/8 =
  14. 8/11 − 2/5 =
  15. 5/6 − 3/4 =
  16. 10/11 − 2/3 =
  17. 3/5 − 2/9 =
  18. 3/4 − 2/9 =
  19. 11/12 − 8/11 =
  20. 8/9 − 5/6 =
More free practice: fieldbooklearning.com/au/practice/year-5/subtract-fractions-with-unlike-denominators/

Answer key: Subtract fractions with unlike denominators

  1. 5/14
  2. 1/21
  3. 55/72
  4. 1/12
  5. 29/63
  6. 38/63
  7. 11/36
  8. 16/45
  9. 1/6
  10. 1/20
  11. 5/24
  12. 7/18
  13. 5/24
  14. 18/55
  15. 1/12
  16. 8/33
  17. 17/45
  18. 19/36
  19. 25/132
  20. 1/18