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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 413 · 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 6 and 20?
  2. 2.Is 12/54 in its simplest form? (a) Yes (b) No
  3. 3.Is 24/54 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 4 and 20?
  5. 5.Write 36/40 in its simplest form. =
  6. 6.Write 40/48 in its simplest form. =
  7. 7.Write 18/21 in its simplest form. =
  8. 8.Is 14/16 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 24 and 64?
  10. 10.Write 6/10 in its simplest form. =
  11. 11.What is the HCF of 8 and 16?
  12. 12.Write 12/20 in its simplest form. =
  13. 13.What is the HCF of 27 and 63?
  14. 14.What is the HCF of 3 and 18?
  15. 15.What is the HCF of 12 and 15?
  16. 16.What is the HCF of 12 and 28?
  17. 17.What is the HCF of 24 and 28?
  18. 18.Is 4/5 in its simplest form? (a) No (b) Yes
  19. 19.Is 1/9 in its simplest form? (a) Yes (b) No
  20. 20.Write 9/24 in its simplest form. =
  21. 21.What is the HCF of 3 and 6?
  22. 22.Is 8/9 in its simplest form? (a) Yes (b) No
  23. 23.Is 12/15 in its simplest form? (a) Yes (b) No
  24. 24.What is the HCF of 5 and 25?
  25. 25.Is 3/24 in its simplest form? (a) Yes (b) No
  26. 26.Is 7/9 in its simplest form? (a) No (b) Yes
  27. 27.Write 5/30 in its simplest form. =
  28. 28.Write 8/72 in its simplest form. =
  29. 29.What is the HCF of 6 and 8?
  30. 30.Is 6/7 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 4 and 24?
  32. 32.Is 15/40 in its simplest form? (a) No (b) Yes
  33. 33.Write 42/60 in its simplest form. =
  34. 34.Write 5/45 in its simplest form. =
  35. 35.What is the HCF of 7 and 42?
  36. 36.Write 28/35 in its simplest form. =
  37. 37.What is the HCF of 4 and 10?
  38. 38.What is the HCF of 20 and 25?
  39. 39.What is the HCF of 10 and 18?
  40. 40.Is 5/7 in its simplest form? (a) Yes (b) No

Answer key

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

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