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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 726 · 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 5/45 in its simplest form? (a) No (b) Yes
  2. 2.Write 40/45 in its simplest form. =
  3. 3.Is 15/25 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 21 and 35?
  5. 5.What is the HCF of 6 and 24?
  6. 6.Is 30/35 in its simplest form? (a) No (b) Yes
  7. 7.Is 1/2 in its simplest form? (a) Yes (b) No
  8. 8.Is 2/7 in its simplest form? (a) No (b) Yes
  9. 9.Write 30/36 in its simplest form. =
  10. 10.Write 8/20 in its simplest form. =
  11. 11.What is the HCF of 12 and 30?
  12. 12.Is 9/21 in its simplest form? (a) No (b) Yes
  13. 13.Write 16/24 in its simplest form. =
  14. 14.Write 63/90 in its simplest form. =
  15. 15.Write 5/35 in its simplest form. =
  16. 16.Write 35/50 in its simplest form. =
  17. 17.What is the HCF of 9 and 90?
  18. 18.What is the HCF of 35 and 49?
  19. 19.What is the HCF of 2 and 4?
  20. 20.What is the HCF of 18 and 60?
  21. 21.Is 2/3 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 28 and 36?
  23. 23.Write 24/30 in its simplest form. =
  24. 24.What is the HCF of 9 and 63?
  25. 25.What is the HCF of 21 and 30?
  26. 26.Write 3/9 in its simplest form. =
  27. 27.What is the HCF of 7 and 70?
  28. 28.Write 9/45 in its simplest form. =
  29. 29.Is 3/24 in its simplest form? (a) No (b) Yes
  30. 30.Is 10/35 in its simplest form? (a) Yes (b) No
  31. 31.Write 30/48 in its simplest form. =
  32. 32.What is the HCF of 24 and 56?
  33. 33.Write 9/54 in its simplest form. =
  34. 34.Write 24/27 in its simplest form. =
  35. 35.Is 10/14 in its simplest form? (a) Yes (b) No
  36. 36.Is 16/36 in its simplest form? (a) No (b) Yes
  37. 37.Write 15/20 in its simplest form. =
  38. 38.What is the HCF of 10 and 12?
  39. 39.Write 8/48 in its simplest form. =
  40. 40.What is the HCF of 15 and 35?

Answer key

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

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