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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 880 · 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 10/35 in its simplest form. =
  2. 2.Write 21/27 in its simplest form. =
  3. 3.What is the HCF of 7 and 49?
  4. 4.What is the HCF of 42 and 48?
  5. 5.Is 4/32 in its simplest form? (a) Yes (b) No
  6. 6.Write 6/48 in its simplest form. =
  7. 7.Is 1/10 in its simplest form? (a) Yes (b) No
  8. 8.Is 5/7 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 15 and 35?
  10. 10.Write 3/18 in its simplest form. =
  11. 11.What is the HCF of 18 and 20?
  12. 12.Write 4/14 in its simplest form. =
  13. 13.What is the HCF of 6 and 21?
  14. 14.Write 25/35 in its simplest form. =
  15. 15.Is 3/7 in its simplest form? (a) Yes (b) No
  16. 16.Write 30/54 in its simplest form. =
  17. 17.What is the HCF of 9 and 21?
  18. 18.Is 12/54 in its simplest form? (a) Yes (b) No
  19. 19.Write 21/49 in its simplest form. =
  20. 20.Write 3/12 in its simplest form. =
  21. 21.What is the HCF of 12 and 15?
  22. 22.What is the HCF of 27 and 30?
  23. 23.Write 9/27 in its simplest form. =
  24. 24.Write 54/60 in its simplest form. =
  25. 25.Is 12/14 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 35 and 40?
  27. 27.What is the HCF of 54 and 63?
  28. 28.What is the HCF of 10 and 18?
  29. 29.Is 4/6 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 6 and 48?
  31. 31.Is 6/24 in its simplest form? (a) Yes (b) No
  32. 32.Write 9/15 in its simplest form. =
  33. 33.Write 4/18 in its simplest form. =
  34. 34.What is the HCF of 6 and 14?
  35. 35.What is the HCF of 5 and 30?
  36. 36.Write 5/20 in its simplest form. =
  37. 37.What is the HCF of 6 and 16?
  38. 38.Is 1/6 in its simplest form? (a) No (b) Yes
  39. 39.Is 10/18 in its simplest form? (a) Yes (b) No
  40. 40.Write 9/30 in its simplest form. =

Answer key

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

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