← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 477 · 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 56 and 63?
  2. 2.Write 4/28 in its simplest form. =
  3. 3.Is 1/3 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 25 and 45?
  5. 5.Write 30/54 in its simplest form. =
  6. 6.What is the HCF of 14 and 16?
  7. 7.Is 1/4 in its simplest form? (a) No (b) Yes
  8. 8.Is 5/25 in its simplest form? (a) No (b) Yes
  9. 9.Is 1/5 in its simplest form? (a) Yes (b) No
  10. 10.Is 1/2 in its simplest form? (a) No (b) Yes
  11. 11.Write 2/6 in its simplest form. =
  12. 12.Is 4/5 in its simplest form? (a) No (b) Yes
  13. 13.Is 2/3 in its simplest form? (a) Yes (b) No
  14. 14.Write 3/18 in its simplest form. =
  15. 15.Write 24/80 in its simplest form. =
  16. 16.Is 16/18 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 2 and 10?
  18. 18.What is the HCF of 7 and 56?
  19. 19.Is 1/7 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 18 and 63?
  21. 21.Write 7/14 in its simplest form. =
  22. 22.What is the HCF of 5 and 40?
  23. 23.What is the HCF of 3 and 24?
  24. 24.Write 3/30 in its simplest form. =
  25. 25.What is the HCF of 15 and 24?
  26. 26.Write 6/24 in its simplest form. =
  27. 27.What is the HCF of 9 and 72?
  28. 28.Write 20/36 in its simplest form. =
  29. 29.What is the HCF of 35 and 42?
  30. 30.What is the HCF of 32 and 56?
  31. 31.Write 18/45 in its simplest form. =
  32. 32.Is 5/8 in its simplest form? (a) No (b) Yes
  33. 33.Is 8/9 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 27 and 90?
  35. 35.Is 28/36 in its simplest form? (a) Yes (b) No
  36. 36.What is the HCF of 4 and 20?
  37. 37.What is the HCF of 3 and 18?
  38. 38.What is the HCF of 15 and 50?
  39. 39.Write 36/45 in its simplest form. =
  40. 40.What is the HCF of 48 and 54?

Answer key

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

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