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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 946 · 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 9/10 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 8 and 48?
  3. 3.Is 2/20 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 12 and 16?
  5. 5.What is the HCF of 4 and 18?
  6. 6.Is 5/20 in its simplest form? (a) Yes (b) No
  7. 7.Is 3/6 in its simplest form? (a) No (b) Yes
  8. 8.Is 3/5 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 21 and 56?
  10. 10.Write 2/20 in its simplest form. =
  11. 11.Is 1/8 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 12 and 54?
  13. 13.Write 63/81 in its simplest form. =
  14. 14.What is the HCF of 8 and 80?
  15. 15.Is 25/45 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 32 and 56?
  17. 17.What is the HCF of 45 and 54?
  18. 18.Write 8/48 in its simplest form. =
  19. 19.Is 5/30 in its simplest form? (a) Yes (b) No
  20. 20.Write 24/28 in its simplest form. =
  21. 21.Write 35/56 in its simplest form. =
  22. 22.Is 8/9 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 16 and 28?
  24. 24.Is 10/25 in its simplest form? (a) Yes (b) No
  25. 25.Write 4/24 in its simplest form. =
  26. 26.Is 7/9 in its simplest form? (a) Yes (b) No
  27. 27.Write 2/8 in its simplest form. =
  28. 28.Write 28/36 in its simplest form. =
  29. 29.What is the HCF of 8 and 28?
  30. 30.Write 28/63 in its simplest form. =
  31. 31.What is the HCF of 9 and 36?
  32. 32.Write 72/81 in its simplest form. =
  33. 33.Write 40/56 in its simplest form. =
  34. 34.Is 15/50 in its simplest form? (a) Yes (b) No
  35. 35.Write 8/36 in its simplest form. =
  36. 36.Write 16/72 in its simplest form. =
  37. 37.What is the HCF of 15 and 24?
  38. 38.Write 5/25 in its simplest form. =
  39. 39.What is the HCF of 8 and 10?
  40. 40.Is 3/10 in its simplest form? (a) Yes (b) No

Answer key

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

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