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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 625 · 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 8 and 14?
  2. 2.Write 8/14 in its simplest form. =
  3. 3.Is 8/28 in its simplest form? (a) Yes (b) No
  4. 4.Write 9/54 in its simplest form. =
  5. 5.What is the HCF of 3 and 9?
  6. 6.Write 15/24 in its simplest form. =
  7. 7.Write 40/64 in its simplest form. =
  8. 8.What is the HCF of 10 and 45?
  9. 9.Write 2/14 in its simplest form. =
  10. 10.Write 10/14 in its simplest form. =
  11. 11.Is 7/10 in its simplest form? (a) No (b) Yes
  12. 12.Write 40/56 in its simplest form. =
  13. 13.Write 6/30 in its simplest form. =
  14. 14.What is the HCF of 32 and 40?
  15. 15.Is 8/36 in its simplest form? (a) Yes (b) No
  16. 16.Write 40/45 in its simplest form. =
  17. 17.Is 20/45 in its simplest form? (a) Yes (b) No
  18. 18.Is 1/8 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 14 and 20?
  20. 20.Write 8/20 in its simplest form. =
  21. 21.What is the HCF of 6 and 18?
  22. 22.What is the HCF of 4 and 40?
  23. 23.Is 20/25 in its simplest form? (a) No (b) Yes
  24. 24.Is 4/10 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 18 and 30?
  26. 26.Is 1/2 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 36 and 42?
  28. 28.What is the HCF of 7 and 28?
  29. 29.Is 6/7 in its simplest form? (a) Yes (b) No
  30. 30.Is 2/10 in its simplest form? (a) Yes (b) No
  31. 31.Write 15/20 in its simplest form. =
  32. 32.Write 30/35 in its simplest form. =
  33. 33.What is the HCF of 35 and 40?
  34. 34.What is the HCF of 21 and 56?
  35. 35.What is the HCF of 10 and 15?
  36. 36.Write 30/36 in its simplest form. =
  37. 37.Write 6/8 in its simplest form. =
  38. 38.Write 4/20 in its simplest form. =
  39. 39.What is the HCF of 2 and 6?
  40. 40.Write 4/14 in its simplest form. =

Answer key

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

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