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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 488 · 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 2/6 in its simplest form. =
  2. 2.Write 5/35 in its simplest form. =
  3. 3.Write 7/28 in its simplest form. =
  4. 4.What is the HCF of 15 and 21?
  5. 5.What is the HCF of 4 and 40?
  6. 6.Is 4/5 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 4 and 10?
  8. 8.What is the HCF of 3 and 6?
  9. 9.Write 42/49 in its simplest form. =
  10. 10.What is the HCF of 16 and 72?
  11. 11.Write 18/42 in its simplest form. =
  12. 12.Is 4/14 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 3 and 24?
  14. 14.Write 30/48 in its simplest form. =
  15. 15.Write 30/54 in its simplest form. =
  16. 16.Is 2/7 in its simplest form? (a) No (b) Yes
  17. 17.Is 12/28 in its simplest form? (a) No (b) Yes
  18. 18.Write 28/40 in its simplest form. =
  19. 19.Is 12/32 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 6 and 9?
  21. 21.Write 10/45 in its simplest form. =
  22. 22.Write 21/27 in its simplest form. =
  23. 23.Write 45/81 in its simplest form. =
  24. 24.Write 8/24 in its simplest form. =
  25. 25.Is 1/3 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 18 and 45?
  27. 27.Is 8/9 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 14 and 63?
  29. 29.What is the HCF of 4 and 20?
  30. 30.Write 35/56 in its simplest form. =
  31. 31.Is 7/10 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 12 and 20?
  33. 33.Write 32/40 in its simplest form. =
  34. 34.Write 35/40 in its simplest form. =
  35. 35.Write 48/54 in its simplest form. =
  36. 36.Write 12/42 in its simplest form. =
  37. 37.Write 16/36 in its simplest form. =
  38. 38.What is the HCF of 48 and 56?
  39. 39.Is 18/30 in its simplest form? (a) Yes (b) No
  40. 40.Write 18/27 in its simplest form. =

Answer key

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

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