← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 242 · 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 72/80 in its simplest form. =
  2. 2.What is the HCF of 9 and 90?
  3. 3.Write 28/36 in its simplest form. =
  4. 4.Is 12/54 in its simplest form? (a) No (b) Yes
  5. 5.Write 6/15 in its simplest form. =
  6. 6.Is 6/7 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 20 and 45?
  8. 8.Write 35/45 in its simplest form. =
  9. 9.What is the HCF of 4 and 14?
  10. 10.Write 4/36 in its simplest form. =
  11. 11.Write 24/64 in its simplest form. =
  12. 12.What is the HCF of 6 and 24?
  13. 13.What is the HCF of 30 and 35?
  14. 14.Is 5/30 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 12 and 18?
  16. 16.What is the HCF of 6 and 9?
  17. 17.What is the HCF of 18 and 45?
  18. 18.Write 16/20 in its simplest form. =
  19. 19.Is 2/5 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 12 and 40?
  21. 21.Write 5/20 in its simplest form. =
  22. 22.Is 1/2 in its simplest form? (a) Yes (b) No
  23. 23.Write 18/21 in its simplest form. =
  24. 24.What is the HCF of 8 and 64?
  25. 25.Is 15/24 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 4 and 40?
  27. 27.What is the HCF of 14 and 16?
  28. 28.Is 1/8 in its simplest form? (a) No (b) Yes
  29. 29.Is 2/7 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 7 and 21?
  31. 31.Write 6/36 in its simplest form. =
  32. 32.Is 4/5 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 4 and 18?
  34. 34.Write 10/14 in its simplest form. =
  35. 35.What is the HCF of 18 and 48?
  36. 36.Is 3/9 in its simplest form? (a) No (b) Yes
  37. 37.Write 7/49 in its simplest form. =
  38. 38.Is 5/15 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 21 and 49?
  40. 40.Write 12/42 in its simplest form. =

Answer key

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

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