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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 741 · 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 10/15 in its simplest form? (a) No (b) Yes
  2. 2.Write 6/54 in its simplest form. =
  3. 3.What is the HCF of 40 and 56?
  4. 4.Write 20/45 in its simplest form. =
  5. 5.Write 18/60 in its simplest form. =
  6. 6.What is the HCF of 18 and 45?
  7. 7.Write 12/21 in its simplest form. =
  8. 8.What is the HCF of 56 and 72?
  9. 9.Is 3/12 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 25 and 30?
  11. 11.Is 5/6 in its simplest form? (a) Yes (b) No
  12. 12.Write 48/56 in its simplest form. =
  13. 13.Is 4/5 in its simplest form? (a) No (b) Yes
  14. 14.Write 2/8 in its simplest form. =
  15. 15.What is the HCF of 16 and 36?
  16. 16.Write 15/25 in its simplest form. =
  17. 17.What is the HCF of 48 and 56?
  18. 18.Write 9/18 in its simplest form. =
  19. 19.Write 9/12 in its simplest form. =
  20. 20.What is the HCF of 49 and 63?
  21. 21.Write 24/27 in its simplest form. =
  22. 22.Write 6/16 in its simplest form. =
  23. 23.Write 6/8 in its simplest form. =
  24. 24.Write 35/56 in its simplest form. =
  25. 25.What is the HCF of 4 and 28?
  26. 26.Is 1/9 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 30 and 48?
  28. 28.What is the HCF of 6 and 16?
  29. 29.Is 8/9 in its simplest form? (a) No (b) Yes
  30. 30.Is 4/7 in its simplest form? (a) Yes (b) No
  31. 31.Is 2/5 in its simplest form? (a) Yes (b) No
  32. 32.Is 2/10 in its simplest form? (a) Yes (b) No
  33. 33.Is 6/21 in its simplest form? (a) No (b) Yes
  34. 34.Is 1/6 in its simplest form? (a) No (b) Yes
  35. 35.Write 28/40 in its simplest form. =
  36. 36.What is the HCF of 14 and 18?
  37. 37.Is 24/28 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 3 and 21?
  39. 39.Write 56/64 in its simplest form. =
  40. 40.What is the HCF of 54 and 63?

Answer key

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

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