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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 317 · 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 3/5 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 9 and 15?
  3. 3.Write 9/30 in its simplest form. =
  4. 4.Write 9/45 in its simplest form. =
  5. 5.Write 7/14 in its simplest form. =
  6. 6.Write 35/45 in its simplest form. =
  7. 7.Is 8/14 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 4 and 40?
  9. 9.Is 28/32 in its simplest form? (a) No (b) Yes
  10. 10.Write 8/40 in its simplest form. =
  11. 11.Write 5/30 in its simplest form. =
  12. 12.What is the HCF of 4 and 28?
  13. 13.Write 12/40 in its simplest form. =
  14. 14.Write 16/72 in its simplest form. =
  15. 15.Is 3/9 in its simplest form? (a) Yes (b) No
  16. 16.Write 6/36 in its simplest form. =
  17. 17.Write 9/90 in its simplest form. =
  18. 18.Write 16/56 in its simplest form. =
  19. 19.What is the HCF of 2 and 6?
  20. 20.Write 3/30 in its simplest form. =
  21. 21.What is the HCF of 18 and 60?
  22. 22.Write 15/27 in its simplest form. =
  23. 23.Is 6/27 in its simplest form? (a) No (b) Yes
  24. 24.Write 3/6 in its simplest form. =
  25. 25.What is the HCF of 16 and 18?
  26. 26.Write 4/6 in its simplest form. =
  27. 27.Write 14/35 in its simplest form. =
  28. 28.Write 8/24 in its simplest form. =
  29. 29.Is 1/4 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 4 and 12?
  31. 31.What is the HCF of 8 and 16?
  32. 32.What is the HCF of 8 and 80?
  33. 33.What is the HCF of 6 and 16?
  34. 34.Write 6/54 in its simplest form. =
  35. 35.What is the HCF of 24 and 64?
  36. 36.What is the HCF of 21 and 49?
  37. 37.What is the HCF of 4 and 36?
  38. 38.Is 3/6 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 24 and 32?
  40. 40.What is the HCF of 12 and 27?

Answer key

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

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