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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 419 · 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 16/36 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 2 and 8?
  3. 3.What is the HCF of 42 and 60?
  4. 4.What is the HCF of 5 and 50?
  5. 5.Write 8/28 in its simplest form. =
  6. 6.What is the HCF of 36 and 45?
  7. 7.Write 64/72 in its simplest form. =
  8. 8.Write 20/36 in its simplest form. =
  9. 9.Write 21/49 in its simplest form. =
  10. 10.Write 14/16 in its simplest form. =
  11. 11.What is the HCF of 3 and 21?
  12. 12.Write 32/36 in its simplest form. =
  13. 13.What is the HCF of 12 and 30?
  14. 14.Write 24/42 in its simplest form. =
  15. 15.Write 56/80 in its simplest form. =
  16. 16.Is 30/36 in its simplest form? (a) No (b) Yes
  17. 17.Write 18/48 in its simplest form. =
  18. 18.Write 7/42 in its simplest form. =
  19. 19.Write 25/40 in its simplest form. =
  20. 20.Is 6/54 in its simplest form? (a) No (b) Yes
  21. 21.Write 28/49 in its simplest form. =
  22. 22.Write 14/35 in its simplest form. =
  23. 23.Is 7/10 in its simplest form? (a) Yes (b) No
  24. 24.What is the HCF of 7 and 21?
  25. 25.Write 35/50 in its simplest form. =
  26. 26.Is 1/5 in its simplest form? (a) Yes (b) No
  27. 27.Write 4/8 in its simplest form. =
  28. 28.Write 12/28 in its simplest form. =
  29. 29.Write 4/6 in its simplest form. =
  30. 30.Write 25/30 in its simplest form. =
  31. 31.What is the HCF of 18 and 30?
  32. 32.Write 24/28 in its simplest form. =
  33. 33.Is 5/6 in its simplest form? (a) No (b) Yes
  34. 34.Is 32/36 in its simplest form? (a) Yes (b) No
  35. 35.Write 12/15 in its simplest form. =
  36. 36.What is the HCF of 12 and 54?
  37. 37.What is the HCF of 63 and 81?
  38. 38.Write 36/81 in its simplest form. =
  39. 39.What is the HCF of 12 and 15?
  40. 40.Write 10/45 in its simplest form. =

Answer key

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

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