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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 698 · 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 48 and 54?
  2. 2.What is the HCF of 4 and 8?
  3. 3.What is the HCF of 42 and 54?
  4. 4.Is 3/10 in its simplest form? (a) No (b) Yes
  5. 5.Is 2/5 in its simplest form? (a) Yes (b) No
  6. 6.Write 5/50 in its simplest form. =
  7. 7.What is the HCF of 8 and 40?
  8. 8.Is 30/54 in its simplest form? (a) No (b) Yes
  9. 9.Write 10/35 in its simplest form. =
  10. 10.Write 56/80 in its simplest form. =
  11. 11.Is 5/15 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 14 and 49?
  13. 13.Write 35/45 in its simplest form. =
  14. 14.Is 16/20 in its simplest form? (a) No (b) Yes
  15. 15.Is 1/2 in its simplest form? (a) No (b) Yes
  16. 16.Is 3/5 in its simplest form? (a) Yes (b) No
  17. 17.Write 30/54 in its simplest form. =
  18. 18.Write 21/28 in its simplest form. =
  19. 19.Write 32/72 in its simplest form. =
  20. 20.Is 2/12 in its simplest form? (a) No (b) Yes
  21. 21.Is 4/24 in its simplest form? (a) Yes (b) No
  22. 22.Write 15/25 in its simplest form. =
  23. 23.Write 12/27 in its simplest form. =
  24. 24.Is 3/7 in its simplest form? (a) No (b) Yes
  25. 25.Write 45/72 in its simplest form. =
  26. 26.What is the HCF of 27 and 90?
  27. 27.What is the HCF of 8 and 12?
  28. 28.Is 12/16 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 28 and 32?
  30. 30.Write 18/48 in its simplest form. =
  31. 31.What is the HCF of 35 and 63?
  32. 32.Write 3/6 in its simplest form. =
  33. 33.Write 42/48 in its simplest form. =
  34. 34.Is 6/16 in its simplest form? (a) No (b) Yes
  35. 35.Write 8/56 in its simplest form. =
  36. 36.Write 25/45 in its simplest form. =
  37. 37.Is 3/27 in its simplest form? (a) No (b) Yes
  38. 38.Is 3/8 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 4 and 16?
  40. 40.Write 4/28 in its simplest form. =

Answer key

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

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