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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 204 · 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 3/4 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 3 and 18?
  3. 3.Write 8/24 in its simplest form. =
  4. 4.Write 54/63 in its simplest form. =
  5. 5.Write 28/32 in its simplest form. =
  6. 6.Is 10/18 in its simplest form? (a) No (b) Yes
  7. 7.Write 4/12 in its simplest form. =
  8. 8.What is the HCF of 2 and 14?
  9. 9.Write 20/32 in its simplest form. =
  10. 10.Is 1/3 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 5 and 35?
  12. 12.What is the HCF of 18 and 20?
  13. 13.What is the HCF of 18 and 24?
  14. 14.Write 27/30 in its simplest form. =
  15. 15.What is the HCF of 7 and 56?
  16. 16.Is 12/15 in its simplest form? (a) No (b) Yes
  17. 17.Write 24/54 in its simplest form. =
  18. 18.What is the HCF of 15 and 20?
  19. 19.Write 49/56 in its simplest form. =
  20. 20.Write 6/42 in its simplest form. =
  21. 21.What is the HCF of 10 and 15?
  22. 22.Is 3/21 in its simplest form? (a) No (b) Yes
  23. 23.Write 21/27 in its simplest form. =
  24. 24.Write 6/8 in its simplest form. =
  25. 25.What is the HCF of 2 and 6?
  26. 26.Is 1/7 in its simplest form? (a) No (b) Yes
  27. 27.Is 16/20 in its simplest form? (a) No (b) Yes
  28. 28.Write 4/32 in its simplest form. =
  29. 29.Is 7/8 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 6 and 30?
  31. 31.Is 30/35 in its simplest form? (a) No (b) Yes
  32. 32.Write 14/63 in its simplest form. =
  33. 33.What is the HCF of 27 and 63?
  34. 34.Write 10/12 in its simplest form. =
  35. 35.Is 6/42 in its simplest form? (a) Yes (b) No
  36. 36.What is the HCF of 9 and 72?
  37. 37.Is 6/10 in its simplest form? (a) No (b) Yes
  38. 38.Write 10/15 in its simplest form. =
  39. 39.What is the HCF of 9 and 45?
  40. 40.Is 3/5 in its simplest form? (a) Yes (b) No

Answer key

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

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