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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 473 · 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 6/9 in its simplest form? (a) Yes (b) No
  2. 2.Is 5/35 in its simplest form? (a) Yes (b) No
  3. 3.Is 7/8 in its simplest form? (a) No (b) Yes
  4. 4.Is 42/48 in its simplest form? (a) Yes (b) No
  5. 5.Is 1/6 in its simplest form? (a) No (b) Yes
  6. 6.Write 20/36 in its simplest form. =
  7. 7.Write 2/18 in its simplest form. =
  8. 8.Write 7/14 in its simplest form. =
  9. 9.Is 6/24 in its simplest form? (a) Yes (b) No
  10. 10.Is 6/7 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 24 and 54?
  12. 12.What is the HCF of 12 and 18?
  13. 13.Write 21/30 in its simplest form. =
  14. 14.Is 7/10 in its simplest form? (a) Yes (b) No
  15. 15.Is 5/9 in its simplest form? (a) No (b) Yes
  16. 16.Is 2/7 in its simplest form? (a) Yes (b) No
  17. 17.Is 14/18 in its simplest form? (a) Yes (b) No
  18. 18.Write 6/14 in its simplest form. =
  19. 19.Is 4/9 in its simplest form? (a) Yes (b) No
  20. 20.Write 12/27 in its simplest form. =
  21. 21.What is the HCF of 6 and 8?
  22. 22.Is 18/42 in its simplest form? (a) Yes (b) No
  23. 23.Is 1/4 in its simplest form? (a) Yes (b) No
  24. 24.Write 9/27 in its simplest form. =
  25. 25.Is 1/2 in its simplest form? (a) No (b) Yes
  26. 26.Write 8/28 in its simplest form. =
  27. 27.Write 15/27 in its simplest form. =
  28. 28.What is the HCF of 42 and 60?
  29. 29.What is the HCF of 6 and 60?
  30. 30.Write 3/9 in its simplest form. =
  31. 31.Write 2/10 in its simplest form. =
  32. 32.What is the HCF of 49 and 70?
  33. 33.Is 9/10 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 40 and 64?
  35. 35.What is the HCF of 12 and 32?
  36. 36.Is 10/14 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 24 and 80?
  38. 38.What is the HCF of 16 and 72?
  39. 39.Write 12/15 in its simplest form. =
  40. 40.Write 8/32 in its simplest form. =

Answer key

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

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