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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 941 · 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 49/56 in its simplest form. =
  2. 2.Write 24/30 in its simplest form. =
  3. 3.What is the HCF of 56 and 63?
  4. 4.Write 56/63 in its simplest form. =
  5. 5.Is 3/9 in its simplest form? (a) No (b) Yes
  6. 6.Is 6/21 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 5 and 40?
  8. 8.Write 9/30 in its simplest form. =
  9. 9.What is the HCF of 14 and 18?
  10. 10.What is the HCF of 4 and 20?
  11. 11.What is the HCF of 32 and 72?
  12. 12.What is the HCF of 14 and 20?
  13. 13.What is the HCF of 14 and 21?
  14. 14.Is 5/7 in its simplest form? (a) Yes (b) No
  15. 15.Is 20/28 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 5 and 25?
  17. 17.Write 10/12 in its simplest form. =
  18. 18.Write 63/90 in its simplest form. =
  19. 19.Write 16/28 in its simplest form. =
  20. 20.What is the HCF of 6 and 12?
  21. 21.Is 7/8 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 8 and 14?
  23. 23.Write 5/10 in its simplest form. =
  24. 24.Write 9/18 in its simplest form. =
  25. 25.Is 3/8 in its simplest form? (a) No (b) Yes
  26. 26.Write 4/12 in its simplest form. =
  27. 27.What is the HCF of 7 and 56?
  28. 28.Write 32/56 in its simplest form. =
  29. 29.Is 6/20 in its simplest form? (a) No (b) Yes
  30. 30.Is 5/40 in its simplest form? (a) Yes (b) No
  31. 31.Write 15/35 in its simplest form. =
  32. 32.Write 4/14 in its simplest form. =
  33. 33.What is the HCF of 28 and 32?
  34. 34.Is 42/60 in its simplest form? (a) Yes (b) No
  35. 35.Write 45/81 in its simplest form. =
  36. 36.Is 35/50 in its simplest form? (a) No (b) Yes
  37. 37.Write 2/4 in its simplest form. =
  38. 38.Is 8/14 in its simplest form? (a) Yes (b) No
  39. 39.Is 3/10 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 56 and 80?

Answer key

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

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