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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 334 · 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.Is 15/50 in its simplest form? (a) No (b) Yes
  2. 2.Is 4/9 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 40 and 56?
  4. 4.What is the HCF of 16 and 28?
  5. 5.What is the HCF of 32 and 72?
  6. 6.Is 25/30 in its simplest form? (a) No (b) Yes
  7. 7.Write 5/30 in its simplest form. =
  8. 8.What is the HCF of 20 and 35?
  9. 9.Write 3/21 in its simplest form. =
  10. 10.Is 6/24 in its simplest form? (a) No (b) Yes
  11. 11.Write 3/12 in its simplest form. =
  12. 12.What is the HCF of 16 and 40?
  13. 13.Write 8/64 in its simplest form. =
  14. 14.Write 24/30 in its simplest form. =
  15. 15.Is 2/7 in its simplest form? (a) No (b) Yes
  16. 16.Write 8/20 in its simplest form. =
  17. 17.Is 12/15 in its simplest form? (a) Yes (b) No
  18. 18.Is 35/45 in its simplest form? (a) Yes (b) No
  19. 19.Write 21/28 in its simplest form. =
  20. 20.What is the HCF of 8 and 36?
  21. 21.Write 10/35 in its simplest form. =
  22. 22.What is the HCF of 3 and 9?
  23. 23.What is the HCF of 12 and 30?
  24. 24.What is the HCF of 4 and 24?
  25. 25.Write 9/81 in its simplest form. =
  26. 26.Write 5/15 in its simplest form. =
  27. 27.What is the HCF of 20 and 36?
  28. 28.Write 6/10 in its simplest form. =
  29. 29.Is 6/48 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 14 and 20?
  31. 31.Write 42/54 in its simplest form. =
  32. 32.Write 48/54 in its simplest form. =
  33. 33.Is 15/25 in its simplest form? (a) Yes (b) No
  34. 34.Write 12/54 in its simplest form. =
  35. 35.Is 16/18 in its simplest form? (a) Yes (b) No
  36. 36.Is 9/10 in its simplest form? (a) Yes (b) No
  37. 37.Write 6/14 in its simplest form. =
  38. 38.Is 3/5 in its simplest form? (a) No (b) Yes
  39. 39.Is 2/8 in its simplest form? (a) Yes (b) No
  40. 40.Is 3/8 in its simplest form? (a) No (b) Yes

Answer key

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

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