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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 321 · 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 28?
  2. 2.What is the HCF of 32 and 56?
  3. 3.Write 40/64 in its simplest form. =
  4. 4.Is 1/2 in its simplest form? (a) No (b) Yes
  5. 5.Write 8/14 in its simplest form. =
  6. 6.Is 8/20 in its simplest form? (a) No (b) Yes
  7. 7.Is 4/6 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 6 and 30?
  9. 9.What is the HCF of 9 and 30?
  10. 10.What is the HCF of 9 and 18?
  11. 11.What is the HCF of 6 and 27?
  12. 12.Write 35/56 in its simplest form. =
  13. 13.Is 6/9 in its simplest form? (a) Yes (b) No
  14. 14.Is 6/8 in its simplest form? (a) No (b) Yes
  15. 15.Is 14/20 in its simplest form? (a) Yes (b) No
  16. 16.Write 3/18 in its simplest form. =
  17. 17.What is the HCF of 18 and 81?
  18. 18.Write 20/36 in its simplest form. =
  19. 19.Is 8/18 in its simplest form? (a) No (b) Yes
  20. 20.Is 18/30 in its simplest form? (a) Yes (b) No
  21. 21.Write 2/8 in its simplest form. =
  22. 22.Write 20/35 in its simplest form. =
  23. 23.Write 3/6 in its simplest form. =
  24. 24.Is 9/21 in its simplest form? (a) No (b) Yes
  25. 25.Is 6/7 in its simplest form? (a) No (b) Yes
  26. 26.Is 3/12 in its simplest form? (a) Yes (b) No
  27. 27.Write 6/24 in its simplest form. =
  28. 28.What is the HCF of 24 and 42?
  29. 29.What is the HCF of 7 and 63?
  30. 30.Write 8/36 in its simplest form. =
  31. 31.Is 2/9 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 6 and 14?
  33. 33.Write 9/12 in its simplest form. =
  34. 34.What is the HCF of 3 and 27?
  35. 35.Write 10/16 in its simplest form. =
  36. 36.Write 12/14 in its simplest form. =
  37. 37.Write 15/50 in its simplest form. =
  38. 38.What is the HCF of 2 and 10?
  39. 39.Write 3/9 in its simplest form. =
  40. 40.What is the HCF of 8 and 20?

Answer key

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

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