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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 1 · 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 3/10 in its simplest form? (a) No (b) Yes
  2. 2.Write 27/63 in its simplest form. =
  3. 3.Is 1/2 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 2 and 14?
  5. 5.Is 1/9 in its simplest form? (a) No (b) Yes
  6. 6.Write 28/36 in its simplest form. =
  7. 7.Write 24/32 in its simplest form. =
  8. 8.What is the HCF of 6 and 9?
  9. 9.What is the HCF of 7 and 49?
  10. 10.What is the HCF of 8 and 10?
  11. 11.What is the HCF of 40 and 45?
  12. 12.What is the HCF of 9 and 24?
  13. 13.Is 6/16 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 40 and 56?
  15. 15.Is 4/14 in its simplest form? (a) No (b) Yes
  16. 16.Write 8/10 in its simplest form. =
  17. 17.Write 18/20 in its simplest form. =
  18. 18.Write 40/64 in its simplest form. =
  19. 19.Is 35/45 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 7 and 35?
  21. 21.Write 3/18 in its simplest form. =
  22. 22.Write 5/35 in its simplest form. =
  23. 23.What is the HCF of 18 and 45?
  24. 24.What is the HCF of 20 and 24?
  25. 25.What is the HCF of 14 and 49?
  26. 26.Is 8/9 in its simplest form? (a) No (b) Yes
  27. 27.Write 49/70 in its simplest form. =
  28. 28.What is the HCF of 6 and 27?
  29. 29.Write 2/18 in its simplest form. =
  30. 30.Is 8/28 in its simplest form? (a) No (b) Yes
  31. 31.Is 1/5 in its simplest form? (a) No (b) Yes
  32. 32.Write 8/20 in its simplest form. =
  33. 33.What is the HCF of 24 and 80?
  34. 34.Write 3/27 in its simplest form. =
  35. 35.Write 14/16 in its simplest form. =
  36. 36.Is 24/27 in its simplest form? (a) Yes (b) No
  37. 37.Is 1/3 in its simplest form? (a) Yes (b) No
  38. 38.Is 6/15 in its simplest form? (a) No (b) Yes
  39. 39.Write 9/15 in its simplest form. =
  40. 40.Write 12/42 in its simplest form. =

Answer key

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

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