← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 450 · 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 12/21 in its simplest form? (a) No (b) Yes
  2. 2.Is 6/7 in its simplest form? (a) No (b) Yes
  3. 3.Is 6/18 in its simplest form? (a) No (b) Yes
  4. 4.Write 15/27 in its simplest form. =
  5. 5.What is the HCF of 3 and 30?
  6. 6.Is 3/5 in its simplest form? (a) No (b) Yes
  7. 7.Write 81/90 in its simplest form. =
  8. 8.Is 7/10 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 3 and 6?
  10. 10.What is the HCF of 6 and 30?
  11. 11.What is the HCF of 7 and 70?
  12. 12.Write 8/14 in its simplest form. =
  13. 13.Is 20/36 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 12 and 16?
  15. 15.Is 2/3 in its simplest form? (a) Yes (b) No
  16. 16.Write 5/50 in its simplest form. =
  17. 17.Is 6/30 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 8 and 18?
  19. 19.Write 12/42 in its simplest form. =
  20. 20.Write 35/40 in its simplest form. =
  21. 21.What is the HCF of 18 and 30?
  22. 22.Is 5/9 in its simplest form? (a) Yes (b) No
  23. 23.Write 5/10 in its simplest form. =
  24. 24.What is the HCF of 42 and 49?
  25. 25.What is the HCF of 7 and 28?
  26. 26.Is 4/5 in its simplest form? (a) No (b) Yes
  27. 27.Write 49/70 in its simplest form. =
  28. 28.What is the HCF of 49 and 56?
  29. 29.What is the HCF of 6 and 24?
  30. 30.Is 10/15 in its simplest form? (a) Yes (b) No
  31. 31.Write 64/72 in its simplest form. =
  32. 32.Is 18/24 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 6 and 54?
  34. 34.Is 2/20 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 8 and 32?
  36. 36.What is the HCF of 45 and 81?
  37. 37.Is 32/36 in its simplest form? (a) Yes (b) No
  38. 38.Is 1/3 in its simplest form? (a) Yes (b) No
  39. 39.Is 14/20 in its simplest form? (a) No (b) Yes
  40. 40.Write 42/48 in its simplest form. =

Answer key

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

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