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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 923 · 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 4/16 in its simplest form. =
  2. 2.Write 6/18 in its simplest form. =
  3. 3.Is 2/9 in its simplest form? (a) No (b) Yes
  4. 4.Is 2/5 in its simplest form? (a) No (b) Yes
  5. 5.Write 35/49 in its simplest form. =
  6. 6.What is the HCF of 4 and 28?
  7. 7.Is 12/18 in its simplest form? (a) Yes (b) No
  8. 8.Write 8/72 in its simplest form. =
  9. 9.Is 48/54 in its simplest form? (a) Yes (b) No
  10. 10.Write 2/16 in its simplest form. =
  11. 11.What is the HCF of 6 and 16?
  12. 12.What is the HCF of 3 and 9?
  13. 13.Write 4/32 in its simplest form. =
  14. 14.Write 9/27 in its simplest form. =
  15. 15.Is 3/5 in its simplest form? (a) Yes (b) No
  16. 16.Is 1/9 in its simplest form? (a) Yes (b) No
  17. 17.Write 15/24 in its simplest form. =
  18. 18.Write 9/12 in its simplest form. =
  19. 19.Write 30/36 in its simplest form. =
  20. 20.Write 15/21 in its simplest form. =
  21. 21.Write 21/56 in its simplest form. =
  22. 22.Write 7/28 in its simplest form. =
  23. 23.What is the HCF of 3 and 6?
  24. 24.Write 6/15 in its simplest form. =
  25. 25.What is the HCF of 36 and 42?
  26. 26.Write 6/10 in its simplest form. =
  27. 27.Write 6/60 in its simplest form. =
  28. 28.Is 3/24 in its simplest form? (a) No (b) Yes
  29. 29.Write 9/45 in its simplest form. =
  30. 30.Is 6/7 in its simplest form? (a) Yes (b) No
  31. 31.Write 8/40 in its simplest form. =
  32. 32.What is the HCF of 12 and 27?
  33. 33.Write 35/50 in its simplest form. =
  34. 34.Is 30/54 in its simplest form? (a) No (b) Yes
  35. 35.Is 3/4 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 21 and 56?
  37. 37.What is the HCF of 6 and 10?
  38. 38.What is the HCF of 40 and 48?
  39. 39.Write 20/25 in its simplest form. =
  40. 40.What is the HCF of 3 and 24?

Answer key

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

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