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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 590 · 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.What is the HCF of 15 and 40?
  2. 2.Write 8/14 in its simplest form. =
  3. 3.Write 4/8 in its simplest form. =
  4. 4.Write 21/28 in its simplest form. =
  5. 5.What is the HCF of 40 and 45?
  6. 6.Is 1/7 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 8 and 56?
  8. 8.Is 5/6 in its simplest form? (a) No (b) Yes
  9. 9.Write 45/72 in its simplest form. =
  10. 10.Write 15/25 in its simplest form. =
  11. 11.Write 10/35 in its simplest form. =
  12. 12.What is the HCF of 12 and 28?
  13. 13.Is 1/9 in its simplest form? (a) No (b) Yes
  14. 14.Write 12/27 in its simplest form. =
  15. 15.What is the HCF of 36 and 42?
  16. 16.Write 35/42 in its simplest form. =
  17. 17.What is the HCF of 63 and 81?
  18. 18.Write 24/30 in its simplest form. =
  19. 19.Is 2/3 in its simplest form? (a) Yes (b) No
  20. 20.Write 20/36 in its simplest form. =
  21. 21.Write 24/40 in its simplest form. =
  22. 22.Is 16/18 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 24 and 40?
  24. 24.Write 3/9 in its simplest form. =
  25. 25.What is the HCF of 4 and 6?
  26. 26.What is the HCF of 40 and 48?
  27. 27.Is 3/10 in its simplest form? (a) No (b) Yes
  28. 28.Write 5/30 in its simplest form. =
  29. 29.Is 35/45 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 28 and 49?
  31. 31.Is 28/32 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 9 and 54?
  33. 33.Is 4/12 in its simplest form? (a) No (b) Yes
  34. 34.Write 14/35 in its simplest form. =
  35. 35.Write 8/48 in its simplest form. =
  36. 36.What is the HCF of 18 and 24?
  37. 37.Write 35/56 in its simplest form. =
  38. 38.What is the HCF of 4 and 36?
  39. 39.Is 3/21 in its simplest form? (a) No (b) Yes
  40. 40.Write 8/12 in its simplest form. =

Answer key

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

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