← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 635 · 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 24/27 in its simplest form. =
  2. 2.Write 30/36 in its simplest form. =
  3. 3.Write 9/81 in its simplest form. =
  4. 4.What is the HCF of 30 and 35?
  5. 5.What is the HCF of 9 and 15?
  6. 6.What is the HCF of 18 and 20?
  7. 7.Write 18/63 in its simplest form. =
  8. 8.What is the HCF of 4 and 12?
  9. 9.Is 4/9 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 56 and 80?
  11. 11.What is the HCF of 63 and 90?
  12. 12.Write 2/4 in its simplest form. =
  13. 13.What is the HCF of 40 and 56?
  14. 14.Write 10/35 in its simplest form. =
  15. 15.Write 18/24 in its simplest form. =
  16. 16.Write 9/21 in its simplest form. =
  17. 17.Write 3/9 in its simplest form. =
  18. 18.Write 30/48 in its simplest form. =
  19. 19.Write 4/12 in its simplest form. =
  20. 20.Write 6/27 in its simplest form. =
  21. 21.What is the HCF of 45 and 54?
  22. 22.Write 12/14 in its simplest form. =
  23. 23.What is the HCF of 45 and 72?
  24. 24.What is the HCF of 16 and 56?
  25. 25.What is the HCF of 3 and 18?
  26. 26.Is 7/9 in its simplest form? (a) Yes (b) No
  27. 27.Is 1/3 in its simplest form? (a) No (b) Yes
  28. 28.Is 2/3 in its simplest form? (a) Yes (b) No
  29. 29.Write 3/24 in its simplest form. =
  30. 30.Write 3/30 in its simplest form. =
  31. 31.Is 12/28 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 3 and 15?
  33. 33.Is 12/30 in its simplest form? (a) No (b) Yes
  34. 34.Is 4/14 in its simplest form? (a) No (b) Yes
  35. 35.Write 10/18 in its simplest form. =
  36. 36.Write 4/32 in its simplest form. =
  37. 37.Is 2/7 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 15 and 24?
  39. 39.Is 24/42 in its simplest form? (a) Yes (b) No
  40. 40.Write 10/45 in its simplest form. =

Answer key

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

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