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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 833 · 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 24/27 in its simplest form? (a) Yes (b) No
  2. 2.Write 12/30 in its simplest form. =
  3. 3.Write 10/16 in its simplest form. =
  4. 4.Is 9/15 in its simplest form? (a) Yes (b) No
  5. 5.Is 5/30 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 45 and 50?
  7. 7.Is 1/2 in its simplest form? (a) No (b) Yes
  8. 8.Write 20/35 in its simplest form. =
  9. 9.What is the HCF of 5 and 20?
  10. 10.What is the HCF of 28 and 49?
  11. 11.Is 3/8 in its simplest form? (a) Yes (b) No
  12. 12.Is 1/6 in its simplest form? (a) Yes (b) No
  13. 13.Write 24/30 in its simplest form. =
  14. 14.Write 21/28 in its simplest form. =
  15. 15.Write 32/56 in its simplest form. =
  16. 16.What is the HCF of 24 and 42?
  17. 17.Is 2/6 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 16 and 40?
  19. 19.Is 5/9 in its simplest form? (a) No (b) Yes
  20. 20.Is 3/9 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 6 and 36?
  22. 22.Write 7/49 in its simplest form. =
  23. 23.Write 18/27 in its simplest form. =
  24. 24.Write 20/25 in its simplest form. =
  25. 25.Is 9/10 in its simplest form? (a) Yes (b) No
  26. 26.Write 35/56 in its simplest form. =
  27. 27.Is 16/20 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 4 and 18?
  29. 29.Is 3/5 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 6 and 42?
  31. 31.Write 9/24 in its simplest form. =
  32. 32.What is the HCF of 12 and 15?
  33. 33.Is 12/20 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 8 and 12?
  35. 35.Write 3/15 in its simplest form. =
  36. 36.Write 56/80 in its simplest form. =
  37. 37.Write 9/72 in its simplest form. =
  38. 38.What is the HCF of 12 and 18?
  39. 39.Is 2/3 in its simplest form? (a) Yes (b) No
  40. 40.Is 3/4 in its simplest form? (a) No (b) Yes

Answer key

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

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