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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 102 · 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 3 and 6?
  2. 2.Is 1/9 in its simplest form? (a) Yes (b) No
  3. 3.Is 25/35 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 16 and 28?
  5. 5.Is 3/7 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 20 and 24?
  7. 7.Write 6/21 in its simplest form. =
  8. 8.What is the HCF of 6 and 15?
  9. 9.Write 12/21 in its simplest form. =
  10. 10.What is the HCF of 54 and 63?
  11. 11.Write 3/9 in its simplest form. =
  12. 12.What is the HCF of 6 and 8?
  13. 13.Write 4/28 in its simplest form. =
  14. 14.What is the HCF of 28 and 40?
  15. 15.Write 5/40 in its simplest form. =
  16. 16.What is the HCF of 8 and 20?
  17. 17.Is 7/9 in its simplest form? (a) No (b) Yes
  18. 18.Write 8/28 in its simplest form. =
  19. 19.Write 21/24 in its simplest form. =
  20. 20.Write 25/35 in its simplest form. =
  21. 21.Write 21/70 in its simplest form. =
  22. 22.Is 10/18 in its simplest form? (a) Yes (b) No
  23. 23.Write 8/18 in its simplest form. =
  24. 24.What is the HCF of 36 and 63?
  25. 25.What is the HCF of 8 and 12?
  26. 26.Write 14/49 in its simplest form. =
  27. 27.Is 3/4 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 8 and 18?
  29. 29.Is 2/9 in its simplest form? (a) Yes (b) No
  30. 30.Write 28/36 in its simplest form. =
  31. 31.Write 45/72 in its simplest form. =
  32. 32.Is 2/5 in its simplest form? (a) Yes (b) No
  33. 33.Is 4/14 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 6 and 16?
  35. 35.Write 18/30 in its simplest form. =
  36. 36.Write 8/40 in its simplest form. =
  37. 37.Is 3/5 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 12 and 21?
  39. 39.What is the HCF of 3 and 15?
  40. 40.What is the HCF of 16 and 36?

Answer key

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

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