← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 246 · 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 27 and 72?
  2. 2.What is the HCF of 4 and 12?
  3. 3.Is 4/5 in its simplest form? (a) No (b) Yes
  4. 4.Write 27/30 in its simplest form. =
  5. 5.Is 20/35 in its simplest form? (a) Yes (b) No
  6. 6.Is 5/10 in its simplest form? (a) No (b) Yes
  7. 7.Is 1/2 in its simplest form? (a) No (b) Yes
  8. 8.Is 3/5 in its simplest form? (a) Yes (b) No
  9. 9.Is 15/21 in its simplest form? (a) No (b) Yes
  10. 10.Is 1/8 in its simplest form? (a) Yes (b) No
  11. 11.Write 20/28 in its simplest form. =
  12. 12.Write 49/70 in its simplest form. =
  13. 13.Is 1/6 in its simplest form? (a) Yes (b) No
  14. 14.Write 30/54 in its simplest form. =
  15. 15.Write 12/40 in its simplest form. =
  16. 16.Write 18/42 in its simplest form. =
  17. 17.Write 30/42 in its simplest form. =
  18. 18.Is 24/28 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 20 and 35?
  20. 20.Write 56/64 in its simplest form. =
  21. 21.Is 7/8 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 2 and 6?
  23. 23.What is the HCF of 16 and 40?
  24. 24.Write 9/24 in its simplest form. =
  25. 25.What is the HCF of 45 and 50?
  26. 26.Is 21/27 in its simplest form? (a) Yes (b) No
  27. 27.Write 4/8 in its simplest form. =
  28. 28.Write 24/64 in its simplest form. =
  29. 29.Is 6/16 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 25 and 30?
  31. 31.Is 2/20 in its simplest form? (a) Yes (b) No
  32. 32.Is 1/10 in its simplest form? (a) Yes (b) No
  33. 33.Is 15/20 in its simplest form? (a) No (b) Yes
  34. 34.Is 1/3 in its simplest form? (a) Yes (b) No
  35. 35.Write 27/63 in its simplest form. =
  36. 36.Is 2/3 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 15 and 20?
  38. 38.Is 1/7 in its simplest form? (a) No (b) Yes
  39. 39.Write 9/12 in its simplest form. =
  40. 40.What is the HCF of 27 and 45?

Answer key

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

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