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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 834 · 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 40/48 in its simplest form. =
  2. 2.Is 1/4 in its simplest form? (a) Yes (b) No
  3. 3.Write 3/27 in its simplest form. =
  4. 4.Write 9/45 in its simplest form. =
  5. 5.Write 10/16 in its simplest form. =
  6. 6.Write 2/4 in its simplest form. =
  7. 7.Write 6/54 in its simplest form. =
  8. 8.Write 45/81 in its simplest form. =
  9. 9.Write 10/15 in its simplest form. =
  10. 10.Is 2/3 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 7 and 35?
  12. 12.What is the HCF of 72 and 81?
  13. 13.Is 3/7 in its simplest form? (a) Yes (b) No
  14. 14.Write 42/54 in its simplest form. =
  15. 15.Write 6/16 in its simplest form. =
  16. 16.Write 9/63 in its simplest form. =
  17. 17.Write 2/20 in its simplest form. =
  18. 18.Write 40/64 in its simplest form. =
  19. 19.Write 64/72 in its simplest form. =
  20. 20.What is the HCF of 7 and 28?
  21. 21.What is the HCF of 7 and 70?
  22. 22.Is 4/20 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 4 and 18?
  24. 24.Write 20/35 in its simplest form. =
  25. 25.Is 32/36 in its simplest form? (a) No (b) Yes
  26. 26.Write 3/18 in its simplest form. =
  27. 27.What is the HCF of 30 and 48?
  28. 28.Write 8/14 in its simplest form. =
  29. 29.What is the HCF of 18 and 81?
  30. 30.Is 30/35 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 32 and 56?
  32. 32.What is the HCF of 28 and 40?
  33. 33.Write 40/72 in its simplest form. =
  34. 34.Write 18/81 in its simplest form. =
  35. 35.Is 3/10 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 9 and 54?
  37. 37.Is 3/21 in its simplest form? (a) No (b) Yes
  38. 38.Is 7/9 in its simplest form? (a) Yes (b) No
  39. 39.Write 16/20 in its simplest form. =
  40. 40.Write 21/24 in its simplest form. =

Answer key

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

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