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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 566 · 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.What is the HCF of 3 and 6?
  2. 2.Is 10/25 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 9 and 12?
  4. 4.Write 6/9 in its simplest form. =
  5. 5.Write 24/30 in its simplest form. =
  6. 6.Write 6/10 in its simplest form. =
  7. 7.Write 9/36 in its simplest form. =
  8. 8.What is the HCF of 16 and 18?
  9. 9.What is the HCF of 6 and 24?
  10. 10.Is 2/7 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 2 and 6?
  12. 12.Is 6/18 in its simplest form? (a) No (b) Yes
  13. 13.Write 15/24 in its simplest form. =
  14. 14.Is 5/20 in its simplest form? (a) Yes (b) No
  15. 15.Is 7/9 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 18 and 45?
  17. 17.Write 8/18 in its simplest form. =
  18. 18.Is 5/9 in its simplest form? (a) Yes (b) No
  19. 19.Write 7/49 in its simplest form. =
  20. 20.Is 12/54 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 24 and 40?
  22. 22.Write 8/16 in its simplest form. =
  23. 23.Is 2/3 in its simplest form? (a) Yes (b) No
  24. 24.What is the HCF of 6 and 36?
  25. 25.Is 1/9 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 12 and 21?
  27. 27.Is 12/14 in its simplest form? (a) Yes (b) No
  28. 28.Write 9/12 in its simplest form. =
  29. 29.Is 4/12 in its simplest form? (a) Yes (b) No
  30. 30.Write 10/18 in its simplest form. =
  31. 31.What is the HCF of 10 and 12?
  32. 32.Write 3/12 in its simplest form. =
  33. 33.What is the HCF of 2 and 8?
  34. 34.Is 2/5 in its simplest form? (a) Yes (b) No
  35. 35.Write 8/10 in its simplest form. =
  36. 36.Write 9/81 in its simplest form. =
  37. 37.What is the HCF of 35 and 42?
  38. 38.What is the HCF of 8 and 28?
  39. 39.Is 6/48 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 27 and 30?

Answer key

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

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