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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 113 · 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.What is the HCF of 15 and 25?
  2. 2.What is the HCF of 4 and 32?
  3. 3.Write 16/36 in its simplest form. =
  4. 4.Write 6/24 in its simplest form. =
  5. 5.Is 8/14 in its simplest form? (a) Yes (b) No
  6. 6.Write 28/35 in its simplest form. =
  7. 7.What is the HCF of 54 and 60?
  8. 8.Write 16/28 in its simplest form. =
  9. 9.Is 1/3 in its simplest form? (a) No (b) Yes
  10. 10.Write 20/35 in its simplest form. =
  11. 11.Write 15/18 in its simplest form. =
  12. 12.Write 6/16 in its simplest form. =
  13. 13.Is 9/10 in its simplest form? (a) No (b) Yes
  14. 14.Write 27/45 in its simplest form. =
  15. 15.Is 15/20 in its simplest form? (a) No (b) Yes
  16. 16.Is 1/8 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 6 and 10?
  18. 18.What is the HCF of 21 and 27?
  19. 19.What is the HCF of 28 and 40?
  20. 20.Write 9/30 in its simplest form. =
  21. 21.What is the HCF of 32 and 36?
  22. 22.What is the HCF of 3 and 6?
  23. 23.Is 6/16 in its simplest form? (a) Yes (b) No
  24. 24.Write 21/49 in its simplest form. =
  25. 25.Is 3/4 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 20 and 35?
  27. 27.Is 8/20 in its simplest form? (a) Yes (b) No
  28. 28.Write 3/15 in its simplest form. =
  29. 29.Is 15/21 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 6 and 48?
  31. 31.Is 3/6 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 21 and 35?
  33. 33.Is 6/48 in its simplest form? (a) No (b) Yes
  34. 34.Write 7/49 in its simplest form. =
  35. 35.What is the HCF of 14 and 35?
  36. 36.Write 15/25 in its simplest form. =
  37. 37.What is the HCF of 4 and 40?
  38. 38.What is the HCF of 49 and 70?
  39. 39.Write 49/63 in its simplest form. =
  40. 40.Write 2/20 in its simplest form. =

Answer key

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

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