← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 818 · 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 40/45 in its simplest form? (a) No (b) Yes
  2. 2.Write 6/60 in its simplest form. =
  3. 3.Is 9/12 in its simplest form? (a) Yes (b) No
  4. 4.Write 6/18 in its simplest form. =
  5. 5.Is 6/42 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 10 and 12?
  7. 7.What is the HCF of 12 and 14?
  8. 8.Write 40/72 in its simplest form. =
  9. 9.Is 1/8 in its simplest form? (a) No (b) Yes
  10. 10.Write 4/36 in its simplest form. =
  11. 11.Is 1/4 in its simplest form? (a) Yes (b) No
  12. 12.Is 36/40 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 35 and 45?
  14. 14.Is 4/36 in its simplest form? (a) No (b) Yes
  15. 15.Is 2/3 in its simplest form? (a) Yes (b) No
  16. 16.Is 2/7 in its simplest form? (a) No (b) Yes
  17. 17.Is 5/50 in its simplest form? (a) No (b) Yes
  18. 18.Write 14/35 in its simplest form. =
  19. 19.Write 35/50 in its simplest form. =
  20. 20.Write 16/72 in its simplest form. =
  21. 21.Write 6/24 in its simplest form. =
  22. 22.Is 3/12 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 8 and 40?
  24. 24.What is the HCF of 18 and 63?
  25. 25.What is the HCF of 3 and 15?
  26. 26.Write 4/20 in its simplest form. =
  27. 27.What is the HCF of 12 and 40?
  28. 28.Is 4/7 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 5 and 10?
  30. 30.Is 7/9 in its simplest form? (a) Yes (b) No
  31. 31.Write 15/21 in its simplest form. =
  32. 32.What is the HCF of 9 and 12?
  33. 33.What is the HCF of 10 and 35?
  34. 34.Is 2/20 in its simplest form? (a) Yes (b) No
  35. 35.Write 9/63 in its simplest form. =
  36. 36.Write 27/45 in its simplest form. =
  37. 37.Write 6/42 in its simplest form. =
  38. 38.What is the HCF of 54 and 60?
  39. 39.What is the HCF of 6 and 42?
  40. 40.Is 30/42 in its simplest form? (a) Yes (b) No

Answer key

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

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