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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 965 · 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.Write 45/72 in its simplest form. =
  2. 2.Is 5/6 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 12 and 16?
  4. 4.Write 48/56 in its simplest form. =
  5. 5.Is 6/36 in its simplest form? (a) Yes (b) No
  6. 6.Write 32/56 in its simplest form. =
  7. 7.Is 1/3 in its simplest form? (a) No (b) Yes
  8. 8.Is 12/20 in its simplest form? (a) No (b) Yes
  9. 9.Write 9/90 in its simplest form. =
  10. 10.Write 9/45 in its simplest form. =
  11. 11.What is the HCF of 9 and 15?
  12. 12.Is 5/8 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 21 and 35?
  14. 14.Is 3/5 in its simplest form? (a) Yes (b) No
  15. 15.Is 20/36 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 25 and 40?
  17. 17.Write 24/30 in its simplest form. =
  18. 18.What is the HCF of 27 and 63?
  19. 19.Is 1/9 in its simplest form? (a) Yes (b) No
  20. 20.Write 16/28 in its simplest form. =
  21. 21.What is the HCF of 8 and 72?
  22. 22.Write 6/12 in its simplest form. =
  23. 23.Is 16/28 in its simplest form? (a) No (b) Yes
  24. 24.Write 8/10 in its simplest form. =
  25. 25.Write 16/18 in its simplest form. =
  26. 26.Is 6/18 in its simplest form? (a) Yes (b) No
  27. 27.Write 6/15 in its simplest form. =
  28. 28.What is the HCF of 12 and 40?
  29. 29.Is 1/7 in its simplest form? (a) Yes (b) No
  30. 30.Write 9/36 in its simplest form. =
  31. 31.Write 2/18 in its simplest form. =
  32. 32.Is 2/5 in its simplest form? (a) No (b) Yes
  33. 33.Write 25/45 in its simplest form. =
  34. 34.What is the HCF of 8 and 48?
  35. 35.Write 63/81 in its simplest form. =
  36. 36.Write 10/25 in its simplest form. =
  37. 37.Is 32/36 in its simplest form? (a) No (b) Yes
  38. 38.Write 40/45 in its simplest form. =
  39. 39.Is 8/12 in its simplest form? (a) Yes (b) No
  40. 40.Write 54/63 in its simplest form. =

Answer key

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

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