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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 529 · 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 10/12 in its simplest form? (a) No (b) Yes
  2. 2.Is 1/2 in its simplest form? (a) Yes (b) No
  3. 3.Is 12/28 in its simplest form? (a) Yes (b) No
  4. 4.Is 1/9 in its simplest form? (a) No (b) Yes
  5. 5.Write 5/10 in its simplest form. =
  6. 6.Is 2/6 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 2 and 6?
  8. 8.Write 28/49 in its simplest form. =
  9. 9.What is the HCF of 18 and 27?
  10. 10.Is 1/5 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 45 and 54?
  12. 12.Write 32/72 in its simplest form. =
  13. 13.Is 6/9 in its simplest form? (a) No (b) Yes
  14. 14.Write 16/20 in its simplest form. =
  15. 15.Is 2/3 in its simplest form? (a) Yes (b) No
  16. 16.Write 21/27 in its simplest form. =
  17. 17.What is the HCF of 7 and 70?
  18. 18.What is the HCF of 10 and 14?
  19. 19.What is the HCF of 21 and 35?
  20. 20.What is the HCF of 9 and 45?
  21. 21.Write 3/24 in its simplest form. =
  22. 22.Is 6/36 in its simplest form? (a) Yes (b) No
  23. 23.Write 12/30 in its simplest form. =
  24. 24.Is 5/7 in its simplest form? (a) Yes (b) No
  25. 25.Write 48/54 in its simplest form. =
  26. 26.Is 4/5 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 5 and 20?
  28. 28.Write 12/32 in its simplest form. =
  29. 29.What is the HCF of 9 and 18?
  30. 30.Write 8/56 in its simplest form. =
  31. 31.Write 14/49 in its simplest form. =
  32. 32.What is the HCF of 35 and 56?
  33. 33.Write 63/72 in its simplest form. =
  34. 34.Write 27/30 in its simplest form. =
  35. 35.Write 25/40 in its simplest form. =
  36. 36.Is 8/10 in its simplest form? (a) No (b) Yes
  37. 37.Write 6/20 in its simplest form. =
  38. 38.What is the HCF of 12 and 32?
  39. 39.Write 20/25 in its simplest form. =
  40. 40.Write 28/63 in its simplest form. =

Answer key

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

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