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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 846 · 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 15/25 in its simplest form. =
  2. 2.What is the HCF of 2 and 12?
  3. 3.Write 9/24 in its simplest form. =
  4. 4.Is 8/9 in its simplest form? (a) Yes (b) No
  5. 5.Is 1/7 in its simplest form? (a) No (b) Yes
  6. 6.Write 6/9 in its simplest form. =
  7. 7.What is the HCF of 15 and 40?
  8. 8.Is 6/54 in its simplest form? (a) Yes (b) No
  9. 9.Is 18/48 in its simplest form? (a) Yes (b) No
  10. 10.Is 6/60 in its simplest form? (a) No (b) Yes
  11. 11.Is 3/30 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 63 and 90?
  13. 13.Is 4/7 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 7 and 28?
  15. 15.Write 12/14 in its simplest form. =
  16. 16.Write 18/60 in its simplest form. =
  17. 17.Write 3/18 in its simplest form. =
  18. 18.Is 6/21 in its simplest form? (a) No (b) Yes
  19. 19.Is 20/24 in its simplest form? (a) No (b) Yes
  20. 20.Write 63/70 in its simplest form. =
  21. 21.Is 1/9 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 3 and 24?
  23. 23.Is 10/45 in its simplest form? (a) No (b) Yes
  24. 24.Is 27/30 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 10 and 14?
  26. 26.Write 7/49 in its simplest form. =
  27. 27.Is 2/6 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 24 and 56?
  29. 29.Is 10/16 in its simplest form? (a) No (b) Yes
  30. 30.Is 16/28 in its simplest form? (a) Yes (b) No
  31. 31.Write 16/24 in its simplest form. =
  32. 32.Write 16/28 in its simplest form. =
  33. 33.What is the HCF of 72 and 81?
  34. 34.What is the HCF of 9 and 18?
  35. 35.Write 6/48 in its simplest form. =
  36. 36.Is 3/6 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 54 and 60?
  38. 38.Write 8/28 in its simplest form. =
  39. 39.Is 15/50 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 10 and 25?

Answer key

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

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