← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 525 · 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 42/49 in its simplest form. =
  2. 2.What is the HCF of 45 and 63?
  3. 3.Is 5/6 in its simplest form? (a) Yes (b) No
  4. 4.Is 6/15 in its simplest form? (a) Yes (b) No
  5. 5.Is 7/10 in its simplest form? (a) No (b) Yes
  6. 6.Write 21/28 in its simplest form. =
  7. 7.Write 4/36 in its simplest form. =
  8. 8.Is 5/15 in its simplest form? (a) No (b) Yes
  9. 9.Is 8/9 in its simplest form? (a) No (b) Yes
  10. 10.Is 28/32 in its simplest form? (a) Yes (b) No
  11. 11.Write 9/54 in its simplest form. =
  12. 12.What is the HCF of 15 and 21?
  13. 13.Write 8/24 in its simplest form. =
  14. 14.Write 9/18 in its simplest form. =
  15. 15.Write 16/40 in its simplest form. =
  16. 16.Write 14/49 in its simplest form. =
  17. 17.Write 27/63 in its simplest form. =
  18. 18.What is the HCF of 6 and 16?
  19. 19.Is 1/7 in its simplest form? (a) No (b) Yes
  20. 20.Write 12/18 in its simplest form. =
  21. 21.What is the HCF of 4 and 40?
  22. 22.Is 12/21 in its simplest form? (a) No (b) Yes
  23. 23.Is 4/24 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 42 and 48?
  25. 25.What is the HCF of 56 and 80?
  26. 26.Is 27/30 in its simplest form? (a) Yes (b) No
  27. 27.Write 40/48 in its simplest form. =
  28. 28.Write 3/9 in its simplest form. =
  29. 29.Write 2/20 in its simplest form. =
  30. 30.Write 4/10 in its simplest form. =
  31. 31.What is the HCF of 6 and 36?
  32. 32.Write 49/63 in its simplest form. =
  33. 33.What is the HCF of 32 and 40?
  34. 34.Is 4/7 in its simplest form? (a) No (b) Yes
  35. 35.Write 20/25 in its simplest form. =
  36. 36.Write 8/20 in its simplest form. =
  37. 37.What is the HCF of 32 and 36?
  38. 38.What is the HCF of 6 and 24?
  39. 39.What is the HCF of 6 and 21?
  40. 40.Is 3/8 in its simplest form? (a) Yes (b) No

Answer key

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

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