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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 694 · 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 3/9 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 8 and 16?
  3. 3.What is the HCF of 9 and 21?
  4. 4.Write 10/16 in its simplest form. =
  5. 5.Is 18/24 in its simplest form? (a) Yes (b) No
  6. 6.Write 28/63 in its simplest form. =
  7. 7.What is the HCF of 6 and 27?
  8. 8.Write 7/28 in its simplest form. =
  9. 9.Is 2/7 in its simplest form? (a) No (b) Yes
  10. 10.Write 8/24 in its simplest form. =
  11. 11.What is the HCF of 24 and 28?
  12. 12.What is the HCF of 6 and 16?
  13. 13.Is 30/48 in its simplest form? (a) No (b) Yes
  14. 14.Is 6/14 in its simplest form? (a) No (b) Yes
  15. 15.Is 35/50 in its simplest form? (a) No (b) Yes
  16. 16.Is 15/25 in its simplest form? (a) Yes (b) No
  17. 17.Write 49/56 in its simplest form. =
  18. 18.What is the HCF of 16 and 40?
  19. 19.Write 7/56 in its simplest form. =
  20. 20.Write 35/56 in its simplest form. =
  21. 21.What is the HCF of 7 and 14?
  22. 22.Is 1/4 in its simplest form? (a) No (b) Yes
  23. 23.Write 9/63 in its simplest form. =
  24. 24.Write 5/10 in its simplest form. =
  25. 25.Is 4/9 in its simplest form? (a) No (b) Yes
  26. 26.Is 3/7 in its simplest form? (a) Yes (b) No
  27. 27.Write 56/80 in its simplest form. =
  28. 28.Write 18/30 in its simplest form. =
  29. 29.Write 10/14 in its simplest form. =
  30. 30.Is 4/5 in its simplest form? (a) No (b) Yes
  31. 31.Write 15/25 in its simplest form. =
  32. 32.Write 35/42 in its simplest form. =
  33. 33.What is the HCF of 2 and 14?
  34. 34.Is 8/28 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 12 and 32?
  36. 36.Is 8/9 in its simplest form? (a) Yes (b) No
  37. 37.Write 2/18 in its simplest form. =
  38. 38.What is the HCF of 24 and 40?
  39. 39.Write 30/54 in its simplest form. =
  40. 40.Is 10/25 in its simplest form? (a) Yes (b) No

Answer key

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

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