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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 791 · 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.Write 35/50 in its simplest form. =
  2. 2.Is 24/54 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 28 and 32?
  4. 4.Write 40/56 in its simplest form. =
  5. 5.Write 32/56 in its simplest form. =
  6. 6.What is the HCF of 6 and 10?
  7. 7.What is the HCF of 18 and 63?
  8. 8.Is 3/5 in its simplest form? (a) Yes (b) No
  9. 9.Is 42/54 in its simplest form? (a) Yes (b) No
  10. 10.Write 2/18 in its simplest form. =
  11. 11.Is 9/12 in its simplest form? (a) No (b) Yes
  12. 12.Is 3/4 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 16 and 20?
  14. 14.What is the HCF of 45 and 54?
  15. 15.Write 9/36 in its simplest form. =
  16. 16.What is the HCF of 21 and 70?
  17. 17.Write 25/40 in its simplest form. =
  18. 18.What is the HCF of 4 and 12?
  19. 19.What is the HCF of 3 and 6?
  20. 20.Write 4/8 in its simplest form. =
  21. 21.What is the HCF of 18 and 27?
  22. 22.Is 3/7 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 7 and 21?
  24. 24.Write 10/35 in its simplest form. =
  25. 25.Is 15/24 in its simplest form? (a) No (b) Yes
  26. 26.Write 3/27 in its simplest form. =
  27. 27.What is the HCF of 27 and 90?
  28. 28.What is the HCF of 4 and 24?
  29. 29.What is the HCF of 8 and 18?
  30. 30.Is 1/2 in its simplest form? (a) Yes (b) No
  31. 31.Write 10/12 in its simplest form. =
  32. 32.What is the HCF of 35 and 45?
  33. 33.What is the HCF of 9 and 45?
  34. 34.Is 2/5 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 36 and 45?
  36. 36.Write 10/25 in its simplest form. =
  37. 37.Is 12/16 in its simplest form? (a) No (b) Yes
  38. 38.Is 5/15 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 56 and 80?
  40. 40.Write 7/14 in its simplest form. =

Answer key

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

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