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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 969 · 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 15/20 in its simplest form? (a) No (b) Yes
  2. 2.Write 14/16 in its simplest form. =
  3. 3.What is the HCF of 12 and 14?
  4. 4.Is 3/10 in its simplest form? (a) No (b) Yes
  5. 5.Is 6/8 in its simplest form? (a) Yes (b) No
  6. 6.Is 4/8 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 2 and 18?
  8. 8.What is the HCF of 24 and 28?
  9. 9.Is 6/10 in its simplest form? (a) Yes (b) No
  10. 10.Is 2/3 in its simplest form? (a) Yes (b) No
  11. 11.Write 12/40 in its simplest form. =
  12. 12.What is the HCF of 45 and 81?
  13. 13.What is the HCF of 18 and 24?
  14. 14.Is 2/8 in its simplest form? (a) No (b) Yes
  15. 15.Is 3/7 in its simplest form? (a) No (b) Yes
  16. 16.Write 12/27 in its simplest form. =
  17. 17.Write 14/35 in its simplest form. =
  18. 18.Write 40/48 in its simplest form. =
  19. 19.What is the HCF of 6 and 10?
  20. 20.Is 24/42 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 63 and 72?
  22. 22.Is 1/7 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 9 and 15?
  24. 24.Write 30/48 in its simplest form. =
  25. 25.Write 5/20 in its simplest form. =
  26. 26.Write 2/8 in its simplest form. =
  27. 27.Is 10/16 in its simplest form? (a) Yes (b) No
  28. 28.Is 4/18 in its simplest form? (a) No (b) Yes
  29. 29.What is the HCF of 4 and 8?
  30. 30.What is the HCF of 63 and 81?
  31. 31.Is 6/60 in its simplest form? (a) No (b) Yes
  32. 32.Write 25/45 in its simplest form. =
  33. 33.What is the HCF of 9 and 90?
  34. 34.Write 12/20 in its simplest form. =
  35. 35.What is the HCF of 64 and 72?
  36. 36.Write 63/81 in its simplest form. =
  37. 37.Write 9/30 in its simplest form. =
  38. 38.What is the HCF of 24 and 30?
  39. 39.Write 8/24 in its simplest form. =
  40. 40.What is the HCF of 3 and 6?

Answer key

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

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