← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 800 · 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 32/40 in its simplest form. =
  2. 2.Write 20/32 in its simplest form. =
  3. 3.Write 8/28 in its simplest form. =
  4. 4.What is the HCF of 6 and 10?
  5. 5.What is the HCF of 27 and 63?
  6. 6.Is 4/9 in its simplest form? (a) Yes (b) No
  7. 7.Write 49/56 in its simplest form. =
  8. 8.Write 9/45 in its simplest form. =
  9. 9.Is 4/7 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 15 and 35?
  11. 11.Is 1/7 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 24 and 64?
  13. 13.Write 9/24 in its simplest form. =
  14. 14.Write 28/40 in its simplest form. =
  15. 15.What is the HCF of 16 and 24?
  16. 16.Write 9/27 in its simplest form. =
  17. 17.Write 14/18 in its simplest form. =
  18. 18.Write 9/72 in its simplest form. =
  19. 19.Write 12/40 in its simplest form. =
  20. 20.What is the HCF of 45 and 81?
  21. 21.Write 9/21 in its simplest form. =
  22. 22.What is the HCF of 12 and 30?
  23. 23.Write 8/64 in its simplest form. =
  24. 24.Is 3/18 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 12 and 16?
  26. 26.What is the HCF of 15 and 27?
  27. 27.Write 5/30 in its simplest form. =
  28. 28.Write 12/32 in its simplest form. =
  29. 29.Is 1/2 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 21 and 35?
  31. 31.What is the HCF of 14 and 20?
  32. 32.Write 12/42 in its simplest form. =
  33. 33.Is 1/8 in its simplest form? (a) No (b) Yes
  34. 34.Is 7/9 in its simplest form? (a) Yes (b) No
  35. 35.Write 36/81 in its simplest form. =
  36. 36.Is 5/6 in its simplest form? (a) No (b) Yes
  37. 37.Write 7/70 in its simplest form. =
  38. 38.What is the HCF of 25 and 35?
  39. 39.Is 24/28 in its simplest form? (a) No (b) Yes
  40. 40.Write 45/50 in its simplest form. =

Answer key

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

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