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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 500 · 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 5/15 in its simplest form? (a) No (b) Yes
  2. 2.Write 16/40 in its simplest form. =
  3. 3.Is 2/20 in its simplest form? (a) Yes (b) No
  4. 4.Write 28/49 in its simplest form. =
  5. 5.Write 35/49 in its simplest form. =
  6. 6.Write 6/30 in its simplest form. =
  7. 7.Is 25/30 in its simplest form? (a) Yes (b) No
  8. 8.Write 12/15 in its simplest form. =
  9. 9.Write 16/56 in its simplest form. =
  10. 10.What is the HCF of 4 and 28?
  11. 11.Is 14/18 in its simplest form? (a) Yes (b) No
  12. 12.Is 1/10 in its simplest form? (a) No (b) Yes
  13. 13.Write 8/16 in its simplest form. =
  14. 14.What is the HCF of 6 and 15?
  15. 15.What is the HCF of 40 and 48?
  16. 16.What is the HCF of 15 and 27?
  17. 17.Write 3/6 in its simplest form. =
  18. 18.Write 49/63 in its simplest form. =
  19. 19.Is 2/12 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 3 and 21?
  21. 21.What is the HCF of 18 and 63?
  22. 22.Is 7/9 in its simplest form? (a) No (b) Yes
  23. 23.Write 18/48 in its simplest form. =
  24. 24.Write 4/18 in its simplest form. =
  25. 25.Is 10/12 in its simplest form? (a) No (b) Yes
  26. 26.Is 16/20 in its simplest form? (a) Yes (b) No
  27. 27.Is 15/35 in its simplest form? (a) No (b) Yes
  28. 28.Write 4/36 in its simplest form. =
  29. 29.Is 6/24 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 16 and 28?
  31. 31.Write 12/16 in its simplest form. =
  32. 32.Write 6/60 in its simplest form. =
  33. 33.Write 35/56 in its simplest form. =
  34. 34.Write 8/24 in its simplest form. =
  35. 35.Write 9/12 in its simplest form. =
  36. 36.Is 7/8 in its simplest form? (a) No (b) Yes
  37. 37.Write 12/42 in its simplest form. =
  38. 38.Write 14/16 in its simplest form. =
  39. 39.What is the HCF of 10 and 12?
  40. 40.Write 30/42 in its simplest form. =

Answer key

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

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