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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 576 · 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 25/30 in its simplest form? (a) Yes (b) No
  2. 2.Is 3/27 in its simplest form? (a) Yes (b) No
  3. 3.Write 9/15 in its simplest form. =
  4. 4.Is 6/16 in its simplest form? (a) Yes (b) No
  5. 5.Is 14/18 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 8 and 32?
  7. 7.What is the HCF of 30 and 36?
  8. 8.Is 14/20 in its simplest form? (a) No (b) Yes
  9. 9.Write 2/20 in its simplest form. =
  10. 10.Write 8/32 in its simplest form. =
  11. 11.What is the HCF of 10 and 45?
  12. 12.Is 5/6 in its simplest form? (a) No (b) Yes
  13. 13.Write 6/20 in its simplest form. =
  14. 14.Is 4/24 in its simplest form? (a) Yes (b) No
  15. 15.Write 9/12 in its simplest form. =
  16. 16.Write 12/20 in its simplest form. =
  17. 17.Is 5/9 in its simplest form? (a) No (b) Yes
  18. 18.Write 36/42 in its simplest form. =
  19. 19.What is the HCF of 2 and 12?
  20. 20.Write 4/20 in its simplest form. =
  21. 21.What is the HCF of 8 and 20?
  22. 22.What is the HCF of 8 and 80?
  23. 23.Is 2/3 in its simplest form? (a) Yes (b) No
  24. 24.Write 5/40 in its simplest form. =
  25. 25.What is the HCF of 48 and 54?
  26. 26.What is the HCF of 32 and 72?
  27. 27.Write 16/18 in its simplest form. =
  28. 28.What is the HCF of 9 and 54?
  29. 29.Write 14/18 in its simplest form. =
  30. 30.Is 12/42 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 35 and 45?
  32. 32.Write 7/70 in its simplest form. =
  33. 33.What is the HCF of 18 and 45?
  34. 34.Write 54/63 in its simplest form. =
  35. 35.Write 7/14 in its simplest form. =
  36. 36.What is the HCF of 9 and 21?
  37. 37.Write 28/32 in its simplest form. =
  38. 38.What is the HCF of 48 and 56?
  39. 39.What is the HCF of 10 and 18?
  40. 40.Write 36/45 in its simplest form. =

Answer key

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

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