← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 824 · 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 10 and 18?
  2. 2.What is the HCF of 18 and 27?
  3. 3.What is the HCF of 6 and 21?
  4. 4.What is the HCF of 2 and 16?
  5. 5.What is the HCF of 24 and 27?
  6. 6.Is 3/5 in its simplest form? (a) Yes (b) No
  7. 7.Is 3/7 in its simplest form? (a) No (b) Yes
  8. 8.Is 2/7 in its simplest form? (a) No (b) Yes
  9. 9.Is 18/20 in its simplest form? (a) No (b) Yes
  10. 10.Is 5/6 in its simplest form? (a) No (b) Yes
  11. 11.Is 3/6 in its simplest form? (a) Yes (b) No
  12. 12.Is 2/8 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 2 and 8?
  14. 14.What is the HCF of 3 and 27?
  15. 15.Is 18/24 in its simplest form? (a) No (b) Yes
  16. 16.Write 14/49 in its simplest form. =
  17. 17.Is 6/60 in its simplest form? (a) No (b) Yes
  18. 18.Write 16/18 in its simplest form. =
  19. 19.Is 5/8 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 4 and 8?
  21. 21.Is 15/35 in its simplest form? (a) Yes (b) No
  22. 22.Write 18/42 in its simplest form. =
  23. 23.Is 1/9 in its simplest form? (a) Yes (b) No
  24. 24.What is the HCF of 14 and 18?
  25. 25.Is 1/6 in its simplest form? (a) No (b) Yes
  26. 26.Write 20/36 in its simplest form. =
  27. 27.Write 54/60 in its simplest form. =
  28. 28.Write 5/45 in its simplest form. =
  29. 29.What is the HCF of 40 and 48?
  30. 30.Is 20/35 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 8 and 72?
  32. 32.Write 30/48 in its simplest form. =
  33. 33.Is 6/7 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 10 and 14?
  35. 35.What is the HCF of 7 and 21?
  36. 36.Is 8/36 in its simplest form? (a) Yes (b) No
  37. 37.Write 6/8 in its simplest form. =
  38. 38.Is 21/30 in its simplest form? (a) No (b) Yes
  39. 39.Write 48/54 in its simplest form. =
  40. 40.What is the HCF of 5 and 40?

Answer key

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

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