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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 695 · 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.Is 54/60 in its simplest form? (a) Yes (b) No
  2. 2.Write 3/15 in its simplest form. =
  3. 3.Is 9/10 in its simplest form? (a) Yes (b) No
  4. 4.Write 21/24 in its simplest form. =
  5. 5.What is the HCF of 4 and 14?
  6. 6.What is the HCF of 30 and 36?
  7. 7.Write 28/35 in its simplest form. =
  8. 8.Is 4/9 in its simplest form? (a) Yes (b) No
  9. 9.Write 9/15 in its simplest form. =
  10. 10.Is 20/28 in its simplest form? (a) No (b) Yes
  11. 11.Write 5/20 in its simplest form. =
  12. 12.Is 4/6 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 56 and 72?
  14. 14.Write 30/36 in its simplest form. =
  15. 15.Write 64/72 in its simplest form. =
  16. 16.What is the HCF of 20 and 45?
  17. 17.Is 20/36 in its simplest form? (a) Yes (b) No
  18. 18.Is 9/12 in its simplest form? (a) No (b) Yes
  19. 19.Is 6/48 in its simplest form? (a) Yes (b) No
  20. 20.Is 2/3 in its simplest form? (a) No (b) Yes
  21. 21.Is 35/45 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 10 and 25?
  23. 23.What is the HCF of 6 and 14?
  24. 24.Write 24/56 in its simplest form. =
  25. 25.Is 1/7 in its simplest form? (a) No (b) Yes
  26. 26.Write 12/15 in its simplest form. =
  27. 27.Is 2/18 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 6 and 54?
  29. 29.What is the HCF of 9 and 54?
  30. 30.Write 8/10 in its simplest form. =
  31. 31.Write 40/45 in its simplest form. =
  32. 32.Is 16/36 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 49 and 63?
  34. 34.Write 8/64 in its simplest form. =
  35. 35.What is the HCF of 10 and 35?
  36. 36.Write 16/20 in its simplest form. =
  37. 37.What is the HCF of 16 and 28?
  38. 38.What is the HCF of 3 and 30?
  39. 39.Write 49/56 in its simplest form. =
  40. 40.Write 14/16 in its simplest form. =

Answer key

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

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