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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 947 · 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 8/12 in its simplest form? (a) No (b) Yes
  2. 2.Is 54/60 in its simplest form? (a) No (b) Yes
  3. 3.Write 8/20 in its simplest form. =
  4. 4.Write 4/18 in its simplest form. =
  5. 5.Write 9/72 in its simplest form. =
  6. 6.Is 5/9 in its simplest form? (a) No (b) Yes
  7. 7.Is 5/7 in its simplest form? (a) No (b) Yes
  8. 8.Write 8/14 in its simplest form. =
  9. 9.What is the HCF of 2 and 12?
  10. 10.What is the HCF of 10 and 35?
  11. 11.Is 7/8 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 45 and 50?
  13. 13.Is 2/9 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 2 and 8?
  15. 15.Is 30/54 in its simplest form? (a) No (b) Yes
  16. 16.Write 15/20 in its simplest form. =
  17. 17.Is 35/45 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 5 and 45?
  19. 19.What is the HCF of 16 and 40?
  20. 20.Write 25/40 in its simplest form. =
  21. 21.Write 45/81 in its simplest form. =
  22. 22.What is the HCF of 4 and 24?
  23. 23.Write 8/80 in its simplest form. =
  24. 24.Is 10/14 in its simplest form? (a) Yes (b) No
  25. 25.Is 2/20 in its simplest form? (a) Yes (b) No
  26. 26.Write 30/48 in its simplest form. =
  27. 27.Write 8/48 in its simplest form. =
  28. 28.Write 3/15 in its simplest form. =
  29. 29.Is 3/9 in its simplest form? (a) No (b) Yes
  30. 30.Is 16/36 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 6 and 12?
  32. 32.What is the HCF of 6 and 10?
  33. 33.Is 1/9 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 24 and 30?
  35. 35.Is 2/5 in its simplest form? (a) No (b) Yes
  36. 36.Is 8/9 in its simplest form? (a) Yes (b) No
  37. 37.Is 4/6 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 14 and 21?
  39. 39.What is the HCF of 12 and 40?
  40. 40.What is the HCF of 6 and 27?

Answer key

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

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