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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 858 · 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 4/6 in its simplest form. =
  2. 2.Write 4/32 in its simplest form. =
  3. 3.Is 1/6 in its simplest form? (a) Yes (b) No
  4. 4.Is 12/30 in its simplest form? (a) Yes (b) No
  5. 5.Is 3/10 in its simplest form? (a) Yes (b) No
  6. 6.Is 12/14 in its simplest form? (a) No (b) Yes
  7. 7.Is 5/10 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 12 and 40?
  9. 9.Is 4/9 in its simplest form? (a) No (b) Yes
  10. 10.Write 8/24 in its simplest form. =
  11. 11.What is the HCF of 3 and 6?
  12. 12.Write 6/60 in its simplest form. =
  13. 13.What is the HCF of 2 and 4?
  14. 14.Is 4/7 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 5 and 50?
  16. 16.What is the HCF of 6 and 9?
  17. 17.Write 4/24 in its simplest form. =
  18. 18.Is 6/8 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 24 and 80?
  20. 20.Is 2/16 in its simplest form? (a) Yes (b) No
  21. 21.Write 12/42 in its simplest form. =
  22. 22.What is the HCF of 6 and 27?
  23. 23.Write 24/32 in its simplest form. =
  24. 24.Is 1/2 in its simplest form? (a) Yes (b) No
  25. 25.Is 54/60 in its simplest form? (a) No (b) Yes
  26. 26.Write 8/28 in its simplest form. =
  27. 27.Is 2/3 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 3 and 9?
  29. 29.Write 18/63 in its simplest form. =
  30. 30.What is the HCF of 15 and 40?
  31. 31.Is 7/10 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 4 and 12?
  33. 33.What is the HCF of 3 and 12?
  34. 34.Is 16/36 in its simplest form? (a) No (b) Yes
  35. 35.Write 9/45 in its simplest form. =
  36. 36.What is the HCF of 8 and 28?
  37. 37.What is the HCF of 25 and 30?
  38. 38.What is the HCF of 7 and 49?
  39. 39.What is the HCF of 14 and 21?
  40. 40.Is 12/28 in its simplest form? (a) Yes (b) No

Answer key

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

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