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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 332 · 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 6 and 16?
  2. 2.What is the HCF of 15 and 21?
  3. 3.Is 1/7 in its simplest form? (a) No (b) Yes
  4. 4.Write 28/32 in its simplest form. =
  5. 5.Write 15/21 in its simplest form. =
  6. 6.What is the HCF of 12 and 32?
  7. 7.Is 1/8 in its simplest form? (a) Yes (b) No
  8. 8.Write 16/36 in its simplest form. =
  9. 9.Write 16/18 in its simplest form. =
  10. 10.What is the HCF of 12 and 15?
  11. 11.Write 7/49 in its simplest form. =
  12. 12.Write 40/56 in its simplest form. =
  13. 13.Is 9/10 in its simplest form? (a) Yes (b) No
  14. 14.Write 24/28 in its simplest form. =
  15. 15.Is 15/50 in its simplest form? (a) Yes (b) No
  16. 16.Is 9/15 in its simplest form? (a) No (b) Yes
  17. 17.Is 5/9 in its simplest form? (a) No (b) Yes
  18. 18.Write 63/90 in its simplest form. =
  19. 19.Is 2/5 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 20 and 36?
  21. 21.Write 35/56 in its simplest form. =
  22. 22.Is 3/15 in its simplest form? (a) Yes (b) No
  23. 23.Write 45/50 in its simplest form. =
  24. 24.Write 18/30 in its simplest form. =
  25. 25.Write 8/24 in its simplest form. =
  26. 26.What is the HCF of 36 and 45?
  27. 27.Is 1/2 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 9 and 81?
  29. 29.Write 6/15 in its simplest form. =
  30. 30.What is the HCF of 48 and 56?
  31. 31.Write 6/54 in its simplest form. =
  32. 32.Is 21/30 in its simplest form? (a) No (b) Yes
  33. 33.Write 20/32 in its simplest form. =
  34. 34.Write 21/70 in its simplest form. =
  35. 35.Is 3/10 in its simplest form? (a) Yes (b) No
  36. 36.Write 63/72 in its simplest form. =
  37. 37.Is 7/8 in its simplest form? (a) No (b) Yes
  38. 38.Write 8/32 in its simplest form. =
  39. 39.Write 7/70 in its simplest form. =
  40. 40.What is the HCF of 45 and 63?

Answer key

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

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