← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 431 · 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.Is 3/6 in its simplest form? (a) No (b) Yes
  2. 2.Write 12/21 in its simplest form. =
  3. 3.What is the HCF of 30 and 35?
  4. 4.Write 21/56 in its simplest form. =
  5. 5.Write 18/30 in its simplest form. =
  6. 6.What is the HCF of 18 and 20?
  7. 7.Is 18/42 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 4 and 36?
  9. 9.What is the HCF of 16 and 36?
  10. 10.What is the HCF of 35 and 50?
  11. 11.What is the HCF of 6 and 9?
  12. 12.Write 9/90 in its simplest form. =
  13. 13.Is 20/25 in its simplest form? (a) No (b) Yes
  14. 14.Is 1/4 in its simplest form? (a) No (b) Yes
  15. 15.Write 40/45 in its simplest form. =
  16. 16.What is the HCF of 15 and 25?
  17. 17.Is 5/7 in its simplest form? (a) Yes (b) No
  18. 18.Write 5/50 in its simplest form. =
  19. 19.Write 10/16 in its simplest form. =
  20. 20.Is 2/14 in its simplest form? (a) Yes (b) No
  21. 21.Is 4/10 in its simplest form? (a) No (b) Yes
  22. 22.Write 6/12 in its simplest form. =
  23. 23.What is the HCF of 18 and 45?
  24. 24.What is the HCF of 3 and 9?
  25. 25.What is the HCF of 4 and 6?
  26. 26.What is the HCF of 32 and 40?
  27. 27.Write 30/42 in its simplest form. =
  28. 28.Is 9/10 in its simplest form? (a) Yes (b) No
  29. 29.Is 6/9 in its simplest form? (a) No (b) Yes
  30. 30.Write 4/16 in its simplest form. =
  31. 31.Write 8/32 in its simplest form. =
  32. 32.Write 10/12 in its simplest form. =
  33. 33.Write 40/64 in its simplest form. =
  34. 34.Is 1/3 in its simplest form? (a) Yes (b) No
  35. 35.Write 10/18 in its simplest form. =
  36. 36.Is 5/9 in its simplest form? (a) No (b) Yes
  37. 37.Is 12/20 in its simplest form? (a) No (b) Yes
  38. 38.Write 6/18 in its simplest form. =
  39. 39.What is the HCF of 63 and 72?
  40. 40.Write 9/45 in its simplest form. =

Answer key

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

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