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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 909 · 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 6/27 in its simplest form? (a) No (b) Yes
  2. 2.Write 45/63 in its simplest form. =
  3. 3.Write 4/8 in its simplest form. =
  4. 4.Write 12/18 in its simplest form. =
  5. 5.Is 5/9 in its simplest form? (a) Yes (b) No
  6. 6.Write 49/63 in its simplest form. =
  7. 7.Write 21/35 in its simplest form. =
  8. 8.Write 4/32 in its simplest form. =
  9. 9.Is 1/3 in its simplest form? (a) Yes (b) No
  10. 10.Is 1/6 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 8 and 16?
  12. 12.Is 9/12 in its simplest form? (a) No (b) Yes
  13. 13.Write 12/16 in its simplest form. =
  14. 14.Is 20/36 in its simplest form? (a) No (b) Yes
  15. 15.Is 8/20 in its simplest form? (a) No (b) Yes
  16. 16.Write 2/6 in its simplest form. =
  17. 17.Write 24/28 in its simplest form. =
  18. 18.Is 3/5 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 28 and 63?
  20. 20.Is 2/5 in its simplest form? (a) No (b) Yes
  21. 21.Is 8/10 in its simplest form? (a) Yes (b) No
  22. 22.Write 3/24 in its simplest form. =
  23. 23.Is 4/14 in its simplest form? (a) No (b) Yes
  24. 24.Write 4/10 in its simplest form. =
  25. 25.What is the HCF of 35 and 50?
  26. 26.Write 16/18 in its simplest form. =
  27. 27.Is 4/5 in its simplest form? (a) No (b) Yes
  28. 28.Is 2/3 in its simplest form? (a) No (b) Yes
  29. 29.What is the HCF of 32 and 40?
  30. 30.Is 8/36 in its simplest form? (a) No (b) Yes
  31. 31.Write 35/42 in its simplest form. =
  32. 32.Is 1/7 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 2 and 8?
  34. 34.What is the HCF of 24 and 28?
  35. 35.Write 21/70 in its simplest form. =
  36. 36.What is the HCF of 25 and 40?
  37. 37.Write 14/16 in its simplest form. =
  38. 38.What is the HCF of 20 and 24?
  39. 39.What is the HCF of 30 and 36?
  40. 40.Write 2/14 in its simplest form. =

Answer key

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

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