← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 131 · 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 54/63 in its simplest form. =
  2. 2.Write 3/15 in its simplest form. =
  3. 3.What is the HCF of 28 and 36?
  4. 4.What is the HCF of 25 and 40?
  5. 5.Write 18/20 in its simplest form. =
  6. 6.What is the HCF of 5 and 30?
  7. 7.Write 2/20 in its simplest form. =
  8. 8.What is the HCF of 5 and 15?
  9. 9.What is the HCF of 16 and 72?
  10. 10.Write 21/30 in its simplest form. =
  11. 11.What is the HCF of 24 and 54?
  12. 12.What is the HCF of 3 and 30?
  13. 13.What is the HCF of 6 and 30?
  14. 14.Is 12/54 in its simplest form? (a) Yes (b) No
  15. 15.Is 6/21 in its simplest form? (a) No (b) Yes
  16. 16.Write 35/42 in its simplest form. =
  17. 17.What is the HCF of 20 and 35?
  18. 18.Write 12/18 in its simplest form. =
  19. 19.Is 7/9 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 49 and 63?
  21. 21.What is the HCF of 63 and 72?
  22. 22.Is 18/48 in its simplest form? (a) No (b) Yes
  23. 23.Is 8/18 in its simplest form? (a) Yes (b) No
  24. 24.Write 14/63 in its simplest form. =
  25. 25.What is the HCF of 12 and 18?
  26. 26.Is 4/5 in its simplest form? (a) No (b) Yes
  27. 27.Is 1/5 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 20 and 28?
  29. 29.Write 15/40 in its simplest form. =
  30. 30.What is the HCF of 3 and 18?
  31. 31.Write 40/56 in its simplest form. =
  32. 32.What is the HCF of 35 and 42?
  33. 33.Write 15/27 in its simplest form. =
  34. 34.What is the HCF of 18 and 60?
  35. 35.What is the HCF of 12 and 14?
  36. 36.Write 6/10 in its simplest form. =
  37. 37.Write 28/49 in its simplest form. =
  38. 38.Is 3/27 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 9 and 63?
  40. 40.Is 1/8 in its simplest form? (a) No (b) Yes

Answer key

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

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