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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 216 · 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 2/12 in its simplest form? (a) Yes (b) No
  2. 2.Is 5/7 in its simplest form? (a) Yes (b) No
  3. 3.Write 6/54 in its simplest form. =
  4. 4.Is 1/3 in its simplest form? (a) Yes (b) No
  5. 5.Write 7/42 in its simplest form. =
  6. 6.What is the HCF of 18 and 81?
  7. 7.Write 9/36 in its simplest form. =
  8. 8.Write 4/40 in its simplest form. =
  9. 9.Write 8/48 in its simplest form. =
  10. 10.Write 9/15 in its simplest form. =
  11. 11.What is the HCF of 35 and 63?
  12. 12.What is the HCF of 35 and 56?
  13. 13.Is 1/8 in its simplest form? (a) Yes (b) No
  14. 14.Is 12/16 in its simplest form? (a) No (b) Yes
  15. 15.Is 9/12 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 6 and 15?
  17. 17.What is the HCF of 3 and 18?
  18. 18.Write 25/40 in its simplest form. =
  19. 19.Is 4/7 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 15 and 50?
  21. 21.Write 9/24 in its simplest form. =
  22. 22.What is the HCF of 14 and 49?
  23. 23.Is 8/9 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 40 and 56?
  25. 25.What is the HCF of 6 and 60?
  26. 26.Is 2/3 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 4 and 14?
  28. 28.Is 1/5 in its simplest form? (a) No (b) Yes
  29. 29.Write 21/49 in its simplest form. =
  30. 30.Write 5/20 in its simplest form. =
  31. 31.What is the HCF of 6 and 10?
  32. 32.Write 6/10 in its simplest form. =
  33. 33.Is 6/12 in its simplest form? (a) No (b) Yes
  34. 34.Is 5/8 in its simplest form? (a) No (b) Yes
  35. 35.Is 3/8 in its simplest form? (a) Yes (b) No
  36. 36.Is 7/8 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 5 and 40?
  38. 38.Write 42/48 in its simplest form. =
  39. 39.Is 6/7 in its simplest form? (a) No (b) Yes
  40. 40.Write 63/81 in its simplest form. =

Answer key

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

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