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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 930 · 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 7/9 in its simplest form? (a) No (b) Yes
  2. 2.Is 5/50 in its simplest form? (a) No (b) Yes
  3. 3.Write 8/24 in its simplest form. =
  4. 4.What is the HCF of 40 and 72?
  5. 5.What is the HCF of 35 and 50?
  6. 6.Write 2/20 in its simplest form. =
  7. 7.Is 3/5 in its simplest form? (a) No (b) Yes
  8. 8.Is 4/20 in its simplest form? (a) No (b) Yes
  9. 9.Write 14/20 in its simplest form. =
  10. 10.Is 2/4 in its simplest form? (a) Yes (b) No
  11. 11.Is 36/42 in its simplest form? (a) No (b) Yes
  12. 12.Is 3/10 in its simplest form? (a) No (b) Yes
  13. 13.Write 12/54 in its simplest form. =
  14. 14.Write 6/20 in its simplest form. =
  15. 15.What is the HCF of 6 and 21?
  16. 16.What is the HCF of 16 and 56?
  17. 17.What is the HCF of 32 and 40?
  18. 18.Write 7/14 in its simplest form. =
  19. 19.Write 36/40 in its simplest form. =
  20. 20.Is 9/12 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 9 and 30?
  22. 22.Write 63/90 in its simplest form. =
  23. 23.What is the HCF of 12 and 28?
  24. 24.Write 4/16 in its simplest form. =
  25. 25.Is 3/8 in its simplest form? (a) No (b) Yes
  26. 26.Write 5/10 in its simplest form. =
  27. 27.Write 72/80 in its simplest form. =
  28. 28.Write 2/4 in its simplest form. =
  29. 29.Write 8/16 in its simplest form. =
  30. 30.Is 6/20 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 21 and 56?
  32. 32.Is 1/2 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 6 and 24?
  34. 34.Write 6/36 in its simplest form. =
  35. 35.What is the HCF of 30 and 36?
  36. 36.Write 36/45 in its simplest form. =
  37. 37.Write 5/15 in its simplest form. =
  38. 38.What is the HCF of 28 and 40?
  39. 39.What is the HCF of 6 and 27?
  40. 40.Write 32/36 in its simplest form. =

Answer key

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

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