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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 974 · 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 3/12 in its simplest form. =
  2. 2.What is the HCF of 35 and 49?
  3. 3.What is the HCF of 28 and 40?
  4. 4.What is the HCF of 14 and 16?
  5. 5.Is 4/18 in its simplest form? (a) No (b) Yes
  6. 6.Write 5/25 in its simplest form. =
  7. 7.Write 3/24 in its simplest form. =
  8. 8.Is 12/54 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 7 and 35?
  10. 10.Write 18/45 in its simplest form. =
  11. 11.Write 8/16 in its simplest form. =
  12. 12.Write 5/35 in its simplest form. =
  13. 13.Write 20/32 in its simplest form. =
  14. 14.What is the HCF of 16 and 40?
  15. 15.Is 6/10 in its simplest form? (a) No (b) Yes
  16. 16.Is 5/6 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 4 and 10?
  18. 18.Is 28/36 in its simplest form? (a) Yes (b) No
  19. 19.Write 28/40 in its simplest form. =
  20. 20.Is 2/12 in its simplest form? (a) Yes (b) No
  21. 21.Write 8/80 in its simplest form. =
  22. 22.Write 4/10 in its simplest form. =
  23. 23.What is the HCF of 2 and 14?
  24. 24.What is the HCF of 16 and 20?
  25. 25.Write 16/36 in its simplest form. =
  26. 26.Write 9/30 in its simplest form. =
  27. 27.What is the HCF of 81 and 90?
  28. 28.Is 25/45 in its simplest form? (a) No (b) Yes
  29. 29.Is 12/21 in its simplest form? (a) Yes (b) No
  30. 30.Write 15/25 in its simplest form. =
  31. 31.Write 15/24 in its simplest form. =
  32. 32.Write 6/8 in its simplest form. =
  33. 33.Is 24/30 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 32 and 72?
  35. 35.Write 20/24 in its simplest form. =
  36. 36.Write 14/16 in its simplest form. =
  37. 37.Is 10/12 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 21 and 30?
  39. 39.Is 25/40 in its simplest form? (a) Yes (b) No
  40. 40.Write 21/49 in its simplest form. =

Answer key

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

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