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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 605 · 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 6 and 24?
  2. 2.Is 28/36 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 9 and 21?
  4. 4.Write 21/70 in its simplest form. =
  5. 5.What is the HCF of 8 and 64?
  6. 6.What is the HCF of 9 and 30?
  7. 7.Write 10/14 in its simplest form. =
  8. 8.Write 45/72 in its simplest form. =
  9. 9.Write 21/35 in its simplest form. =
  10. 10.What is the HCF of 8 and 36?
  11. 11.Is 2/10 in its simplest form? (a) Yes (b) No
  12. 12.Is 5/8 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 9 and 45?
  14. 14.Is 3/7 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 28 and 63?
  16. 16.What is the HCF of 6 and 42?
  17. 17.Is 5/7 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 4 and 24?
  19. 19.Is 9/10 in its simplest form? (a) No (b) Yes
  20. 20.Write 24/28 in its simplest form. =
  21. 21.Is 8/9 in its simplest form? (a) Yes (b) No
  22. 22.Write 6/8 in its simplest form. =
  23. 23.Is 18/48 in its simplest form? (a) No (b) Yes
  24. 24.Is 30/48 in its simplest form? (a) No (b) Yes
  25. 25.Is 14/16 in its simplest form? (a) Yes (b) No
  26. 26.Is 3/4 in its simplest form? (a) No (b) Yes
  27. 27.Is 9/21 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 63 and 90?
  29. 29.Is 3/27 in its simplest form? (a) No (b) Yes
  30. 30.Write 63/70 in its simplest form. =
  31. 31.Is 14/18 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 9 and 36?
  33. 33.Write 15/25 in its simplest form. =
  34. 34.What is the HCF of 9 and 15?
  35. 35.What is the HCF of 4 and 12?
  36. 36.Write 9/72 in its simplest form. =
  37. 37.Is 4/5 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 4 and 6?
  39. 39.Write 5/10 in its simplest form. =
  40. 40.Is 16/18 in its simplest form? (a) No (b) Yes

Answer key

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

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