← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 79 · 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 15/21 in its simplest form? (a) Yes (b) No
  2. 2.Is 16/20 in its simplest form? (a) No (b) Yes
  3. 3.Is 18/24 in its simplest form? (a) Yes (b) No
  4. 4.What is the HCF of 9 and 30?
  5. 5.Is 30/42 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 30 and 48?
  7. 7.Is 21/24 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 35 and 45?
  9. 9.Write 15/18 in its simplest form. =
  10. 10.Is 5/15 in its simplest form? (a) No (b) Yes
  11. 11.Is 36/40 in its simplest form? (a) No (b) Yes
  12. 12.Is 2/6 in its simplest form? (a) No (b) Yes
  13. 13.Is 12/54 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 14 and 35?
  15. 15.What is the HCF of 7 and 28?
  16. 16.Is 1/4 in its simplest form? (a) No (b) Yes
  17. 17.Write 6/60 in its simplest form. =
  18. 18.Is 7/10 in its simplest form? (a) Yes (b) No
  19. 19.Write 6/8 in its simplest form. =
  20. 20.What is the HCF of 15 and 18?
  21. 21.Write 4/12 in its simplest form. =
  22. 22.Write 21/27 in its simplest form. =
  23. 23.Is 1/9 in its simplest form? (a) Yes (b) No
  24. 24.Write 4/32 in its simplest form. =
  25. 25.Write 8/32 in its simplest form. =
  26. 26.What is the HCF of 54 and 63?
  27. 27.What is the HCF of 7 and 14?
  28. 28.Write 12/30 in its simplest form. =
  29. 29.Write 5/25 in its simplest form. =
  30. 30.Is 5/10 in its simplest form? (a) Yes (b) No
  31. 31.Write 8/48 in its simplest form. =
  32. 32.What is the HCF of 14 and 16?
  33. 33.Write 16/56 in its simplest form. =
  34. 34.What is the HCF of 48 and 54?
  35. 35.Is 8/9 in its simplest form? (a) Yes (b) No
  36. 36.Write 3/6 in its simplest form. =
  37. 37.Is 3/24 in its simplest form? (a) No (b) Yes
  38. 38.Write 48/54 in its simplest form. =
  39. 39.Write 21/28 in its simplest form. =
  40. 40.Write 5/30 in its simplest form. =

Answer key

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

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