← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 640 · 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 14/18 in its simplest form? (a) Yes (b) No
  2. 2.Write 10/16 in its simplest form. =
  3. 3.Write 30/48 in its simplest form. =
  4. 4.Write 20/35 in its simplest form. =
  5. 5.Write 21/28 in its simplest form. =
  6. 6.What is the HCF of 81 and 90?
  7. 7.What is the HCF of 5 and 10?
  8. 8.What is the HCF of 4 and 20?
  9. 9.Write 4/32 in its simplest form. =
  10. 10.Is 1/8 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 36 and 42?
  12. 12.Is 3/9 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 9 and 24?
  14. 14.What is the HCF of 10 and 35?
  15. 15.Write 8/20 in its simplest form. =
  16. 16.What is the HCF of 6 and 27?
  17. 17.What is the HCF of 56 and 63?
  18. 18.What is the HCF of 8 and 10?
  19. 19.Write 6/15 in its simplest form. =
  20. 20.What is the HCF of 25 and 40?
  21. 21.Is 4/10 in its simplest form? (a) Yes (b) No
  22. 22.Is 5/8 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 63 and 72?
  24. 24.Write 15/25 in its simplest form. =
  25. 25.What is the HCF of 18 and 48?
  26. 26.Is 5/9 in its simplest form? (a) Yes (b) No
  27. 27.Is 3/24 in its simplest form? (a) Yes (b) No
  28. 28.Is 2/20 in its simplest form? (a) Yes (b) No
  29. 29.Is 6/7 in its simplest form? (a) Yes (b) No
  30. 30.Write 9/15 in its simplest form. =
  31. 31.Is 35/50 in its simplest form? (a) No (b) Yes
  32. 32.Write 3/15 in its simplest form. =
  33. 33.Is 2/16 in its simplest form? (a) No (b) Yes
  34. 34.Write 35/56 in its simplest form. =
  35. 35.What is the HCF of 35 and 42?
  36. 36.Is 9/10 in its simplest form? (a) Yes (b) No
  37. 37.Is 1/4 in its simplest form? (a) Yes (b) No
  38. 38.Write 6/14 in its simplest form. =
  39. 39.What is the HCF of 7 and 28?
  40. 40.What is the HCF of 9 and 81?

Answer key

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

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