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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 285 · 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 7/9 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 30 and 54?
  3. 3.What is the HCF of 18 and 21?
  4. 4.Write 6/60 in its simplest form. =
  5. 5.Write 2/10 in its simplest form. =
  6. 6.What is the HCF of 28 and 40?
  7. 7.Write 14/49 in its simplest form. =
  8. 8.Is 2/3 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 16 and 24?
  10. 10.Is 2/7 in its simplest form? (a) No (b) Yes
  11. 11.Write 8/40 in its simplest form. =
  12. 12.Write 5/45 in its simplest form. =
  13. 13.What is the HCF of 12 and 30?
  14. 14.What is the HCF of 30 and 48?
  15. 15.What is the HCF of 20 and 24?
  16. 16.Is 12/15 in its simplest form? (a) Yes (b) No
  17. 17.Is 2/14 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 21 and 35?
  19. 19.Write 40/72 in its simplest form. =
  20. 20.Write 9/81 in its simplest form. =
  21. 21.Is 12/20 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/5 in its simplest form? (a) No (b) Yes
  23. 23.Is 6/16 in its simplest form? (a) No (b) Yes
  24. 24.Write 18/20 in its simplest form. =
  25. 25.Is 1/7 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 8 and 10?
  27. 27.What is the HCF of 81 and 90?
  28. 28.Write 25/45 in its simplest form. =
  29. 29.Write 42/48 in its simplest form. =
  30. 30.Write 45/81 in its simplest form. =
  31. 31.Write 18/30 in its simplest form. =
  32. 32.Write 12/16 in its simplest form. =
  33. 33.Write 42/60 in its simplest form. =
  34. 34.What is the HCF of 14 and 18?
  35. 35.Is 42/54 in its simplest form? (a) No (b) Yes
  36. 36.Write 21/30 in its simplest form. =
  37. 37.Write 28/35 in its simplest form. =
  38. 38.What is the HCF of 18 and 48?
  39. 39.Is 2/9 in its simplest form? (a) Yes (b) No
  40. 40.Write 2/16 in its simplest form. =

Answer key

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

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