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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 740 · 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 2/14 in its simplest form? (a) Yes (b) No
  2. 2.Write 24/54 in its simplest form. =
  3. 3.What is the HCF of 8 and 36?
  4. 4.Write 4/16 in its simplest form. =
  5. 5.What is the HCF of 5 and 35?
  6. 6.Is 4/9 in its simplest form? (a) No (b) Yes
  7. 7.Write 27/63 in its simplest form. =
  8. 8.Write 8/12 in its simplest form. =
  9. 9.Is 9/15 in its simplest form? (a) No (b) Yes
  10. 10.Is 6/16 in its simplest form? (a) Yes (b) No
  11. 11.Is 3/4 in its simplest form? (a) No (b) Yes
  12. 12.Is 5/6 in its simplest form? (a) Yes (b) No
  13. 13.Write 30/48 in its simplest form. =
  14. 14.Is 6/21 in its simplest form? (a) Yes (b) No
  15. 15.Is 3/9 in its simplest form? (a) No (b) Yes
  16. 16.Is 15/35 in its simplest form? (a) Yes (b) No
  17. 17.Write 4/20 in its simplest form. =
  18. 18.Write 5/10 in its simplest form. =
  19. 19.Is 5/8 in its simplest form? (a) No (b) Yes
  20. 20.Is 5/9 in its simplest form? (a) Yes (b) No
  21. 21.Write 20/35 in its simplest form. =
  22. 22.Write 7/49 in its simplest form. =
  23. 23.What is the HCF of 6 and 20?
  24. 24.Is 4/8 in its simplest form? (a) Yes (b) No
  25. 25.Write 24/64 in its simplest form. =
  26. 26.Write 4/6 in its simplest form. =
  27. 27.Is 21/24 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 15 and 24?
  29. 29.What is the HCF of 5 and 10?
  30. 30.What is the HCF of 8 and 20?
  31. 31.Write 12/18 in its simplest form. =
  32. 32.Write 42/49 in its simplest form. =
  33. 33.What is the HCF of 49 and 56?
  34. 34.Write 9/36 in its simplest form. =
  35. 35.What is the HCF of 49 and 63?
  36. 36.Is 1/10 in its simplest form? (a) No (b) Yes
  37. 37.Is 2/7 in its simplest form? (a) No (b) Yes
  38. 38.Write 54/60 in its simplest form. =
  39. 39.What is the HCF of 35 and 49?
  40. 40.Write 12/30 in its simplest form. =

Answer key

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

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