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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 199 · 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.Write 3/24 in its simplest form. =
  2. 2.Write 64/72 in its simplest form. =
  3. 3.Write 15/27 in its simplest form. =
  4. 4.Write 30/54 in its simplest form. =
  5. 5.What is the HCF of 6 and 18?
  6. 6.Is 7/9 in its simplest form? (a) Yes (b) No
  7. 7.Is 2/18 in its simplest form? (a) Yes (b) No
  8. 8.Is 1/10 in its simplest form? (a) Yes (b) No
  9. 9.Write 18/42 in its simplest form. =
  10. 10.Is 14/20 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 56 and 72?
  12. 12.Write 18/24 in its simplest form. =
  13. 13.Is 1/6 in its simplest form? (a) Yes (b) No
  14. 14.Is 16/36 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 9 and 15?
  16. 16.Write 2/4 in its simplest form. =
  17. 17.Is 2/6 in its simplest form? (a) No (b) Yes
  18. 18.Write 16/56 in its simplest form. =
  19. 19.Is 6/12 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 2 and 10?
  21. 21.What is the HCF of 8 and 48?
  22. 22.What is the HCF of 36 and 45?
  23. 23.Write 9/12 in its simplest form. =
  24. 24.What is the HCF of 9 and 90?
  25. 25.What is the HCF of 8 and 56?
  26. 26.Is 4/7 in its simplest form? (a) Yes (b) No
  27. 27.Write 9/18 in its simplest form. =
  28. 28.What is the HCF of 6 and 20?
  29. 29.Is 4/32 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 9 and 30?
  31. 31.Is 3/5 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 20 and 24?
  33. 33.Write 8/20 in its simplest form. =
  34. 34.What is the HCF of 48 and 54?
  35. 35.Is 24/27 in its simplest form? (a) Yes (b) No
  36. 36.What is the HCF of 9 and 12?
  37. 37.Write 40/64 in its simplest form. =
  38. 38.Write 14/20 in its simplest form. =
  39. 39.Write 2/20 in its simplest form. =
  40. 40.What is the HCF of 4 and 40?

Answer key

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

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