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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 708 · 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 54/63 in its simplest form. =
  2. 2.What is the HCF of 24 and 28?
  3. 3.Is 2/14 in its simplest form? (a) No (b) Yes
  4. 4.Write 35/56 in its simplest form. =
  5. 5.Write 12/14 in its simplest form. =
  6. 6.Write 7/28 in its simplest form. =
  7. 7.Is 3/5 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 9 and 24?
  9. 9.Is 12/27 in its simplest form? (a) Yes (b) No
  10. 10.Is 1/6 in its simplest form? (a) Yes (b) No
  11. 11.Write 16/56 in its simplest form. =
  12. 12.Write 5/45 in its simplest form. =
  13. 13.Is 3/10 in its simplest form? (a) No (b) Yes
  14. 14.Is 18/60 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 16 and 24?
  16. 16.Write 8/80 in its simplest form. =
  17. 17.Write 3/21 in its simplest form. =
  18. 18.Write 48/56 in its simplest form. =
  19. 19.Write 28/32 in its simplest form. =
  20. 20.Is 5/6 in its simplest form? (a) No (b) Yes
  21. 21.Write 54/60 in its simplest form. =
  22. 22.Write 3/6 in its simplest form. =
  23. 23.Write 45/54 in its simplest form. =
  24. 24.Is 8/9 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 30 and 54?
  26. 26.What is the HCF of 12 and 21?
  27. 27.Write 63/72 in its simplest form. =
  28. 28.Write 8/40 in its simplest form. =
  29. 29.What is the HCF of 15 and 24?
  30. 30.What is the HCF of 54 and 60?
  31. 31.Write 8/28 in its simplest form. =
  32. 32.Write 4/14 in its simplest form. =
  33. 33.Write 36/42 in its simplest form. =
  34. 34.Write 27/36 in its simplest form. =
  35. 35.Write 32/40 in its simplest form. =
  36. 36.What is the HCF of 4 and 14?
  37. 37.Write 6/20 in its simplest form. =
  38. 38.What is the HCF of 21 and 27?
  39. 39.Write 18/45 in its simplest form. =
  40. 40.What is the HCF of 6 and 21?

Answer key

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

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