← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 126 · 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.Write 12/18 in its simplest form. =
  2. 2.Write 24/54 in its simplest form. =
  3. 3.Write 16/36 in its simplest form. =
  4. 4.Write 5/45 in its simplest form. =
  5. 5.Is 16/18 in its simplest form? (a) No (b) Yes
  6. 6.Is 5/30 in its simplest form? (a) No (b) Yes
  7. 7.Write 48/54 in its simplest form. =
  8. 8.Is 3/12 in its simplest form? (a) No (b) Yes
  9. 9.Is 10/15 in its simplest form? (a) Yes (b) No
  10. 10.Write 40/64 in its simplest form. =
  11. 11.Write 4/12 in its simplest form. =
  12. 12.Is 2/3 in its simplest form? (a) No (b) Yes
  13. 13.Write 7/35 in its simplest form. =
  14. 14.Write 14/20 in its simplest form. =
  15. 15.What is the HCF of 5 and 20?
  16. 16.Is 10/12 in its simplest form? (a) No (b) Yes
  17. 17.Is 3/10 in its simplest form? (a) Yes (b) No
  18. 18.Write 40/72 in its simplest form. =
  19. 19.Is 16/20 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 4 and 14?
  21. 21.Is 2/16 in its simplest form? (a) Yes (b) No
  22. 22.Is 1/10 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 42 and 54?
  24. 24.Write 56/63 in its simplest form. =
  25. 25.What is the HCF of 4 and 6?
  26. 26.Write 6/10 in its simplest form. =
  27. 27.Write 32/56 in its simplest form. =
  28. 28.What is the HCF of 28 and 49?
  29. 29.Write 5/25 in its simplest form. =
  30. 30.What is the HCF of 24 and 40?
  31. 31.What is the HCF of 25 and 45?
  32. 32.What is the HCF of 8 and 12?
  33. 33.Write 42/54 in its simplest form. =
  34. 34.Write 10/25 in its simplest form. =
  35. 35.Write 64/72 in its simplest form. =
  36. 36.Is 12/28 in its simplest form? (a) No (b) Yes
  37. 37.Is 9/21 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 9 and 81?
  39. 39.Is 20/45 in its simplest form? (a) No (b) Yes
  40. 40.Is 28/40 in its simplest form? (a) Yes (b) No

Answer key

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

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