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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 345 · 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.Write 16/40 in its simplest form. =
  2. 2.What is the HCF of 12 and 15?
  3. 3.Write 14/20 in its simplest form. =
  4. 4.Is 7/8 in its simplest form? (a) Yes (b) No
  5. 5.Write 18/63 in its simplest form. =
  6. 6.What is the HCF of 9 and 21?
  7. 7.Is 3/12 in its simplest form? (a) No (b) Yes
  8. 8.Write 9/18 in its simplest form. =
  9. 9.What is the HCF of 15 and 27?
  10. 10.What is the HCF of 15 and 35?
  11. 11.Write 12/28 in its simplest form. =
  12. 12.Write 20/28 in its simplest form. =
  13. 13.Is 5/15 in its simplest form? (a) No (b) Yes
  14. 14.Write 3/18 in its simplest form. =
  15. 15.Is 5/8 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 49 and 63?
  17. 17.Is 3/4 in its simplest form? (a) Yes (b) No
  18. 18.Write 28/40 in its simplest form. =
  19. 19.What is the HCF of 40 and 45?
  20. 20.Write 35/56 in its simplest form. =
  21. 21.Write 36/42 in its simplest form. =
  22. 22.Is 12/30 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 24 and 40?
  24. 24.Write 15/18 in its simplest form. =
  25. 25.What is the HCF of 42 and 54?
  26. 26.Write 36/40 in its simplest form. =
  27. 27.Write 15/40 in its simplest form. =
  28. 28.What is the HCF of 27 and 30?
  29. 29.Write 3/27 in its simplest form. =
  30. 30.Write 6/9 in its simplest form. =
  31. 31.Write 49/56 in its simplest form. =
  32. 32.Is 8/9 in its simplest form? (a) No (b) Yes
  33. 33.Write 48/56 in its simplest form. =
  34. 34.Write 48/54 in its simplest form. =
  35. 35.Is 3/8 in its simplest form? (a) No (b) Yes
  36. 36.Is 14/16 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 24 and 54?
  38. 38.Write 30/36 in its simplest form. =
  39. 39.What is the HCF of 4 and 12?
  40. 40.Is 5/9 in its simplest form? (a) Yes (b) No

Answer key

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

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