← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 267 · 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 7 and 35?
  2. 2.What is the HCF of 6 and 18?
  3. 3.Write 5/25 in its simplest form. =
  4. 4.What is the HCF of 16 and 36?
  5. 5.Is 5/9 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 36 and 81?
  7. 7.Write 4/14 in its simplest form. =
  8. 8.Is 10/25 in its simplest form? (a) No (b) Yes
  9. 9.Is 35/40 in its simplest form? (a) Yes (b) No
  10. 10.Write 16/28 in its simplest form. =
  11. 11.What is the HCF of 7 and 14?
  12. 12.Write 15/18 in its simplest form. =
  13. 13.Write 8/40 in its simplest form. =
  14. 14.What is the HCF of 8 and 40?
  15. 15.Is 1/9 in its simplest form? (a) No (b) Yes
  16. 16.Is 14/20 in its simplest form? (a) Yes (b) No
  17. 17.Write 20/32 in its simplest form. =
  18. 18.Write 4/16 in its simplest form. =
  19. 19.Write 18/27 in its simplest form. =
  20. 20.Is 3/6 in its simplest form? (a) Yes (b) No
  21. 21.Write 40/48 in its simplest form. =
  22. 22.What is the HCF of 28 and 32?
  23. 23.Is 6/60 in its simplest form? (a) Yes (b) No
  24. 24.Is 4/5 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 3 and 30?
  26. 26.What is the HCF of 14 and 35?
  27. 27.What is the HCF of 20 and 28?
  28. 28.Is 5/15 in its simplest form? (a) Yes (b) No
  29. 29.Is 1/6 in its simplest form? (a) Yes (b) No
  30. 30.Is 4/9 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 36 and 45?
  32. 32.What is the HCF of 40 and 64?
  33. 33.Is 1/10 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 4 and 18?
  35. 35.Write 3/9 in its simplest form. =
  36. 36.Write 21/70 in its simplest form. =
  37. 37.Is 7/9 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 8 and 28?
  39. 39.Is 5/8 in its simplest form? (a) Yes (b) No
  40. 40.What is the HCF of 63 and 90?

Answer key

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

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