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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 612 · 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 30 and 48?
  2. 2.Write 3/18 in its simplest form. =
  3. 3.Is 5/15 in its simplest form? (a) No (b) Yes
  4. 4.Write 8/56 in its simplest form. =
  5. 5.What is the HCF of 2 and 16?
  6. 6.Write 16/20 in its simplest form. =
  7. 7.What is the HCF of 4 and 18?
  8. 8.Is 6/18 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 14 and 49?
  10. 10.What is the HCF of 24 and 27?
  11. 11.Is 7/10 in its simplest form? (a) No (b) Yes
  12. 12.Is 9/10 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 27 and 45?
  14. 14.Is 16/36 in its simplest form? (a) Yes (b) No
  15. 15.Write 72/81 in its simplest form. =
  16. 16.Is 5/8 in its simplest form? (a) Yes (b) No
  17. 17.Write 30/54 in its simplest form. =
  18. 18.What is the HCF of 35 and 63?
  19. 19.Write 40/64 in its simplest form. =
  20. 20.Write 6/27 in its simplest form. =
  21. 21.Write 24/56 in its simplest form. =
  22. 22.Is 6/12 in its simplest form? (a) Yes (b) No
  23. 23.Is 2/20 in its simplest form? (a) No (b) Yes
  24. 24.Write 5/40 in its simplest form. =
  25. 25.What is the HCF of 6 and 54?
  26. 26.What is the HCF of 8 and 28?
  27. 27.Is 6/30 in its simplest form? (a) No (b) Yes
  28. 28.Is 20/45 in its simplest form? (a) Yes (b) No
  29. 29.Write 20/24 in its simplest form. =
  30. 30.Is 2/7 in its simplest form? (a) Yes (b) No
  31. 31.Write 2/8 in its simplest form. =
  32. 32.Write 12/42 in its simplest form. =
  33. 33.Write 35/49 in its simplest form. =
  34. 34.What is the HCF of 6 and 30?
  35. 35.Is 42/48 in its simplest form? (a) Yes (b) No
  36. 36.Is 1/3 in its simplest form? (a) Yes (b) No
  37. 37.Write 12/27 in its simplest form. =
  38. 38.Write 8/18 in its simplest form. =
  39. 39.Write 21/35 in its simplest form. =
  40. 40.Is 10/14 in its simplest form? (a) No (b) Yes

Answer key

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

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