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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 65 · 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.What is the HCF of 24 and 80?
  2. 2.Is 5/9 in its simplest form? (a) Yes (b) No
  3. 3.Write 3/9 in its simplest form. =
  4. 4.Is 5/6 in its simplest form? (a) No (b) Yes
  5. 5.Is 12/32 in its simplest form? (a) Yes (b) No
  6. 6.Write 6/36 in its simplest form. =
  7. 7.What is the HCF of 63 and 90?
  8. 8.What is the HCF of 20 and 32?
  9. 9.Is 15/35 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 56 and 80?
  11. 11.Is 3/5 in its simplest form? (a) Yes (b) No
  12. 12.Is 2/7 in its simplest form? (a) No (b) Yes
  13. 13.Write 8/40 in its simplest form. =
  14. 14.Is 12/40 in its simplest form? (a) No (b) Yes
  15. 15.Write 16/40 in its simplest form. =
  16. 16.Write 4/6 in its simplest form. =
  17. 17.Is 8/18 in its simplest form? (a) Yes (b) No
  18. 18.Write 5/25 in its simplest form. =
  19. 19.What is the HCF of 3 and 21?
  20. 20.Is 1/7 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 3 and 12?
  22. 22.Is 3/6 in its simplest form? (a) No (b) Yes
  23. 23.Write 63/70 in its simplest form. =
  24. 24.Write 12/28 in its simplest form. =
  25. 25.What is the HCF of 14 and 35?
  26. 26.Is 3/4 in its simplest form? (a) No (b) Yes
  27. 27.Write 30/48 in its simplest form. =
  28. 28.Is 2/5 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 8 and 28?
  30. 30.What is the HCF of 9 and 12?
  31. 31.Write 12/21 in its simplest form. =
  32. 32.What is the HCF of 4 and 14?
  33. 33.Write 21/27 in its simplest form. =
  34. 34.What is the HCF of 56 and 72?
  35. 35.Is 8/9 in its simplest form? (a) Yes (b) No
  36. 36.Write 3/15 in its simplest form. =
  37. 37.What is the HCF of 42 and 54?
  38. 38.Is 3/10 in its simplest form? (a) No (b) Yes
  39. 39.Write 9/45 in its simplest form. =
  40. 40.Write 12/40 in its simplest form. =

Answer key

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

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