← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 886 · 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 4/40 in its simplest form. =
  2. 2.What is the HCF of 63 and 90?
  3. 3.What is the HCF of 18 and 20?
  4. 4.Write 20/25 in its simplest form. =
  5. 5.What is the HCF of 27 and 45?
  6. 6.Is 12/42 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 9 and 24?
  8. 8.Write 45/81 in its simplest form. =
  9. 9.What is the HCF of 2 and 6?
  10. 10.Write 20/32 in its simplest form. =
  11. 11.What is the HCF of 40 and 72?
  12. 12.Write 16/36 in its simplest form. =
  13. 13.What is the HCF of 2 and 20?
  14. 14.What is the HCF of 18 and 45?
  15. 15.Write 6/20 in its simplest form. =
  16. 16.Write 4/32 in its simplest form. =
  17. 17.What is the HCF of 16 and 20?
  18. 18.Write 3/9 in its simplest form. =
  19. 19.What is the HCF of 8 and 18?
  20. 20.Write 6/10 in its simplest form. =
  21. 21.What is the HCF of 35 and 45?
  22. 22.What is the HCF of 15 and 21?
  23. 23.What is the HCF of 7 and 21?
  24. 24.Is 24/28 in its simplest form? (a) Yes (b) No
  25. 25.Is 6/7 in its simplest form? (a) No (b) Yes
  26. 26.Write 8/72 in its simplest form. =
  27. 27.Is 8/20 in its simplest form? (a) Yes (b) No
  28. 28.Is 3/7 in its simplest form? (a) No (b) Yes
  29. 29.Is 6/21 in its simplest form? (a) No (b) Yes
  30. 30.Write 25/30 in its simplest form. =
  31. 31.Is 3/30 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 14 and 35?
  33. 33.What is the HCF of 16 and 28?
  34. 34.Write 3/15 in its simplest form. =
  35. 35.What is the HCF of 30 and 35?
  36. 36.Write 9/81 in its simplest form. =
  37. 37.What is the HCF of 10 and 12?
  38. 38.Write 21/30 in its simplest form. =
  39. 39.What is the HCF of 56 and 63?
  40. 40.Write 3/12 in its simplest form. =

Answer key

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

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