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Simplest Form Fractions Worksheet

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

Answer key

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

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