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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 11 · 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 16/20 in its simplest form? (a) Yes (b) No
  2. 2.Is 6/36 in its simplest form? (a) Yes (b) No
  3. 3.Write 27/30 in its simplest form. =
  4. 4.What is the HCF of 10 and 12?
  5. 5.Is 2/5 in its simplest form? (a) No (b) Yes
  6. 6.Is 4/12 in its simplest form? (a) Yes (b) No
  7. 7.Is 15/21 in its simplest form? (a) Yes (b) No
  8. 8.Write 8/12 in its simplest form. =
  9. 9.What is the HCF of 81 and 90?
  10. 10.Is 18/60 in its simplest form? (a) Yes (b) No
  11. 11.Write 24/56 in its simplest form. =
  12. 12.What is the HCF of 3 and 24?
  13. 13.Write 10/14 in its simplest form. =
  14. 14.Write 4/14 in its simplest form. =
  15. 15.Write 16/56 in its simplest form. =
  16. 16.Is 20/28 in its simplest form? (a) No (b) Yes
  17. 17.Write 7/42 in its simplest form. =
  18. 18.Is 1/2 in its simplest form? (a) Yes (b) No
  19. 19.Write 14/20 in its simplest form. =
  20. 20.What is the HCF of 18 and 30?
  21. 21.Write 30/48 in its simplest form. =
  22. 22.Write 10/18 in its simplest form. =
  23. 23.Write 49/56 in its simplest form. =
  24. 24.Write 5/50 in its simplest form. =
  25. 25.Write 9/36 in its simplest form. =
  26. 26.Write 7/70 in its simplest form. =
  27. 27.Is 1/5 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 4 and 18?
  29. 29.Is 5/6 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 20 and 24?
  31. 31.What is the HCF of 20 and 28?
  32. 32.What is the HCF of 5 and 30?
  33. 33.Is 16/18 in its simplest form? (a) No (b) Yes
  34. 34.Write 2/18 in its simplest form. =
  35. 35.Is 2/4 in its simplest form? (a) Yes (b) No
  36. 36.Write 9/24 in its simplest form. =
  37. 37.Write 49/63 in its simplest form. =
  38. 38.Is 6/48 in its simplest form? (a) Yes (b) No
  39. 39.Write 6/42 in its simplest form. =
  40. 40.What is the HCF of 28 and 63?

Answer key

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

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