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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 314 · 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 3/15 in its simplest form. =
  2. 2.Is 12/18 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 4 and 14?
  4. 4.Is 35/45 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 6 and 12?
  6. 6.What is the HCF of 24 and 32?
  7. 7.Write 24/30 in its simplest form. =
  8. 8.Is 15/40 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 9 and 15?
  10. 10.What is the HCF of 2 and 20?
  11. 11.Write 63/70 in its simplest form. =
  12. 12.Is 1/4 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 6 and 18?
  14. 14.Write 36/42 in its simplest form. =
  15. 15.Write 9/81 in its simplest form. =
  16. 16.Is 2/7 in its simplest form? (a) No (b) Yes
  17. 17.Is 2/3 in its simplest form? (a) No (b) Yes
  18. 18.Write 9/30 in its simplest form. =
  19. 19.Write 25/35 in its simplest form. =
  20. 20.Write 4/14 in its simplest form. =
  21. 21.What is the HCF of 20 and 25?
  22. 22.Is 9/30 in its simplest form? (a) No (b) Yes
  23. 23.Write 24/64 in its simplest form. =
  24. 24.Write 12/16 in its simplest form. =
  25. 25.Is 1/9 in its simplest form? (a) Yes (b) No
  26. 26.Write 6/14 in its simplest form. =
  27. 27.Write 8/14 in its simplest form. =
  28. 28.Is 7/8 in its simplest form? (a) Yes (b) No
  29. 29.Is 18/24 in its simplest form? (a) No (b) Yes
  30. 30.Write 4/16 in its simplest form. =
  31. 31.Is 4/7 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 4 and 40?
  33. 33.Write 15/27 in its simplest form. =
  34. 34.Write 3/12 in its simplest form. =
  35. 35.Write 3/24 in its simplest form. =
  36. 36.What is the HCF of 2 and 8?
  37. 37.Is 7/10 in its simplest form? (a) Yes (b) No
  38. 38.Is 12/54 in its simplest form? (a) Yes (b) No
  39. 39.Is 15/50 in its simplest form? (a) No (b) Yes
  40. 40.Is 3/5 in its simplest form? (a) No (b) Yes

Answer key

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

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