← Simplest form of a fraction lesson New set →

Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 709 · 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.What is the HCF of 30 and 54?
  2. 2.What is the HCF of 12 and 54?
  3. 3.Is 18/24 in its simplest form? (a) Yes (b) No
  4. 4.What is the HCF of 14 and 16?
  5. 5.Write 7/63 in its simplest form. =
  6. 6.Is 12/40 in its simplest form? (a) No (b) Yes
  7. 7.Write 3/12 in its simplest form. =
  8. 8.Write 14/16 in its simplest form. =
  9. 9.Write 45/72 in its simplest form. =
  10. 10.What is the HCF of 3 and 18?
  11. 11.Write 56/64 in its simplest form. =
  12. 12.Is 3/9 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 6 and 42?
  14. 14.Write 3/21 in its simplest form. =
  15. 15.What is the HCF of 28 and 32?
  16. 16.Write 21/27 in its simplest form. =
  17. 17.Is 7/8 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 4 and 16?
  19. 19.Is 1/3 in its simplest form? (a) Yes (b) No
  20. 20.Is 3/27 in its simplest form? (a) No (b) Yes
  21. 21.Is 2/14 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/30 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 9 and 63?
  24. 24.Is 15/21 in its simplest form? (a) Yes (b) No
  25. 25.Write 15/20 in its simplest form. =
  26. 26.What is the HCF of 15 and 18?
  27. 27.Write 24/40 in its simplest form. =
  28. 28.Write 72/81 in its simplest form. =
  29. 29.What is the HCF of 2 and 6?
  30. 30.Write 8/32 in its simplest form. =
  31. 31.What is the HCF of 16 and 20?
  32. 32.Is 6/8 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 30 and 35?
  34. 34.Write 21/35 in its simplest form. =
  35. 35.Write 8/40 in its simplest form. =
  36. 36.What is the HCF of 7 and 28?
  37. 37.Write 9/72 in its simplest form. =
  38. 38.Write 25/40 in its simplest form. =
  39. 39.Write 25/45 in its simplest form. =
  40. 40.Is 1/5 in its simplest form? (a) Yes (b) No

Answer key

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

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