← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 241 · 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.What is the HCF of 6 and 15?
  2. 2.What is the HCF of 8 and 20?
  3. 3.Write 6/8 in its simplest form. =
  4. 4.What is the HCF of 36 and 81?
  5. 5.Write 14/49 in its simplest form. =
  6. 6.What is the HCF of 15 and 21?
  7. 7.What is the HCF of 45 and 63?
  8. 8.What is the HCF of 3 and 24?
  9. 9.Is 7/9 in its simplest form? (a) No (b) Yes
  10. 10.Write 25/45 in its simplest form. =
  11. 11.Is 6/16 in its simplest form? (a) No (b) Yes
  12. 12.Is 10/14 in its simplest form? (a) Yes (b) No
  13. 13.Write 7/42 in its simplest form. =
  14. 14.What is the HCF of 18 and 24?
  15. 15.What is the HCF of 35 and 42?
  16. 16.What is the HCF of 42 and 60?
  17. 17.Write 7/28 in its simplest form. =
  18. 18.Write 9/54 in its simplest form. =
  19. 19.What is the HCF of 6 and 21?
  20. 20.What is the HCF of 7 and 14?
  21. 21.Write 45/72 in its simplest form. =
  22. 22.Is 10/25 in its simplest form? (a) Yes (b) No
  23. 23.Is 12/20 in its simplest form? (a) No (b) Yes
  24. 24.Is 7/10 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 4 and 12?
  26. 26.What is the HCF of 4 and 28?
  27. 27.What is the HCF of 9 and 27?
  28. 28.What is the HCF of 24 and 54?
  29. 29.Is 3/10 in its simplest form? (a) Yes (b) No
  30. 30.Is 7/8 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 5 and 20?
  32. 32.Write 8/20 in its simplest form. =
  33. 33.Is 4/5 in its simplest form? (a) No (b) Yes
  34. 34.Write 6/14 in its simplest form. =
  35. 35.What is the HCF of 6 and 12?
  36. 36.What is the HCF of 6 and 9?
  37. 37.What is the HCF of 8 and 14?
  38. 38.Write 9/81 in its simplest form. =
  39. 39.Is 20/25 in its simplest form? (a) No (b) Yes
  40. 40.Is 2/18 in its simplest form? (a) No (b) Yes

Answer key

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

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