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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 853 · 40 questions
TalentJR

The method (Divide by the HCF): Find the HCF (highest common factor) of the top and the bottom. Divide the top and the bottom by the HCF. If the HCF is 1, the fraction is already in its simplest form.

NameDateTime takenScore ___ / 40
  1. 1.Write 24/80 in its simplest form. =
  2. 2.Is 15/35 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 7 and 14?
  4. 4.Write 27/36 in its simplest form. =
  5. 5.What is the HCF of 36 and 45?
  6. 6.Write 36/42 in its simplest form. =
  7. 7.Is 8/14 in its simplest form? (a) No (b) Yes
  8. 8.Write 3/6 in its simplest form. =
  9. 9.Is 4/9 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 6 and 42?
  11. 11.Is 5/8 in its simplest form? (a) Yes (b) No
  12. 12.Is 8/9 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 49 and 70?
  14. 14.Is 2/18 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 15 and 35?
  16. 16.What is the HCF of 4 and 18?
  17. 17.What is the HCF of 12 and 15?
  18. 18.Is 36/40 in its simplest form? (a) Yes (b) No
  19. 19.Write 12/15 in its simplest form. =
  20. 20.Write 5/10 in its simplest form. =
  21. 21.What is the HCF of 25 and 40?
  22. 22.What is the HCF of 24 and 54?
  23. 23.Write 3/18 in its simplest form. =
  24. 24.Write 15/35 in its simplest form. =
  25. 25.Is 9/10 in its simplest form? (a) Yes (b) No
  26. 26.Write 3/21 in its simplest form. =
  27. 27.Is 5/6 in its simplest form? (a) Yes (b) No
  28. 28.Write 40/45 in its simplest form. =
  29. 29.Is 10/16 in its simplest form? (a) No (b) Yes
  30. 30.Write 12/27 in its simplest form. =
  31. 31.Write 21/24 in its simplest form. =
  32. 32.What is the HCF of 5 and 50?
  33. 33.Is 16/18 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 30 and 36?
  35. 35.Is 18/20 in its simplest form? (a) No (b) Yes
  36. 36.Is 7/8 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 9 and 90?
  38. 38.Is 15/24 in its simplest form? (a) Yes (b) No
  39. 39.Write 49/56 in its simplest form. =
  40. 40.Write 3/12 in its simplest form. =

Answer key

  1. 3/10
  2. No
  3. 7
  4. 3/4
  5. 9
  6. 6/7
  7. No
  8. 1/2
  9. Yes
  10. 6
  11. Yes
  12. Yes
  13. 7
  14. No
  15. 5
  16. 2
  17. 3
  18. No
  19. 4/5
  20. 1/2
  21. 5
  22. 6
  23. 1/6
  24. 3/7
  25. Yes
  26. 1/7
  27. Yes
  28. 8/9
  29. No
  30. 4/9
  31. 7/8
  32. 5
  33. No
  34. 6
  35. No
  36. Yes
  37. 9
  38. No
  39. 7/8
  40. 1/4

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