← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 583 · 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 28/32 in its simplest form. =
  2. 2.Is 7/9 in its simplest form? (a) Yes (b) No
  3. 3.Write 3/27 in its simplest form. =
  4. 4.Write 40/45 in its simplest form. =
  5. 5.Is 3/21 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 21 and 30?
  7. 7.Write 8/12 in its simplest form. =
  8. 8.Write 25/45 in its simplest form. =
  9. 9.Write 63/90 in its simplest form. =
  10. 10.What is the HCF of 2 and 12?
  11. 11.Write 3/24 in its simplest form. =
  12. 12.What is the HCF of 12 and 27?
  13. 13.Is 1/10 in its simplest form? (a) Yes (b) No
  14. 14.Is 4/8 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 15 and 18?
  16. 16.Is 28/32 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 18 and 45?
  18. 18.Write 8/28 in its simplest form. =
  19. 19.What is the HCF of 27 and 63?
  20. 20.Write 4/10 in its simplest form. =
  21. 21.Is 6/42 in its simplest form? (a) No (b) Yes
  22. 22.Write 6/27 in its simplest form. =
  23. 23.Write 48/54 in its simplest form. =
  24. 24.Write 3/21 in its simplest form. =
  25. 25.What is the HCF of 25 and 30?
  26. 26.Is 1/8 in its simplest form? (a) No (b) Yes
  27. 27.Is 5/6 in its simplest form? (a) Yes (b) No
  28. 28.Write 6/36 in its simplest form. =
  29. 29.Write 49/56 in its simplest form. =
  30. 30.What is the HCF of 7 and 28?
  31. 31.What is the HCF of 36 and 40?
  32. 32.Is 30/35 in its simplest form? (a) Yes (b) No
  33. 33.Is 15/20 in its simplest form? (a) No (b) Yes
  34. 34.Write 45/54 in its simplest form. =
  35. 35.Is 3/4 in its simplest form? (a) Yes (b) No
  36. 36.Write 42/48 in its simplest form. =
  37. 37.Write 9/72 in its simplest form. =
  38. 38.Write 10/15 in its simplest form. =
  39. 39.Is 2/5 in its simplest form? (a) Yes (b) No
  40. 40.Write 6/12 in its simplest form. =

Answer key

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

Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids