← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

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

Answer key

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

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