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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 711 · 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 5/8 in its simplest form? (a) Yes (b) No
  2. 2.Is 2/12 in its simplest form? (a) No (b) Yes
  3. 3.Is 5/30 in its simplest form? (a) Yes (b) No
  4. 4.Is 42/54 in its simplest form? (a) No (b) Yes
  5. 5.Is 10/14 in its simplest form? (a) Yes (b) No
  6. 6.Is 6/36 in its simplest form? (a) Yes (b) No
  7. 7.Is 6/12 in its simplest form? (a) No (b) Yes
  8. 8.Is 3/8 in its simplest form? (a) No (b) Yes
  9. 9.Write 8/48 in its simplest form. =
  10. 10.What is the HCF of 6 and 9?
  11. 11.What is the HCF of 4 and 32?
  12. 12.Write 4/12 in its simplest form. =
  13. 13.Write 4/28 in its simplest form. =
  14. 14.What is the HCF of 2 and 4?
  15. 15.Write 21/24 in its simplest form. =
  16. 16.Write 32/56 in its simplest form. =
  17. 17.What is the HCF of 4 and 16?
  18. 18.Write 54/60 in its simplest form. =
  19. 19.Is 27/30 in its simplest form? (a) No (b) Yes
  20. 20.Is 18/30 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 3 and 9?
  22. 22.What is the HCF of 2 and 10?
  23. 23.Write 9/72 in its simplest form. =
  24. 24.What is the HCF of 3 and 15?
  25. 25.Is 5/6 in its simplest form? (a) Yes (b) No
  26. 26.Write 6/8 in its simplest form. =
  27. 27.Write 3/27 in its simplest form. =
  28. 28.Write 7/42 in its simplest form. =
  29. 29.Write 20/28 in its simplest form. =
  30. 30.Write 18/27 in its simplest form. =
  31. 31.What is the HCF of 32 and 56?
  32. 32.What is the HCF of 3 and 21?
  33. 33.Write 35/56 in its simplest form. =
  34. 34.Is 8/12 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 35 and 42?
  36. 36.Is 35/45 in its simplest form? (a) No (b) Yes
  37. 37.Write 7/28 in its simplest form. =
  38. 38.Write 4/14 in its simplest form. =
  39. 39.Write 6/21 in its simplest form. =
  40. 40.Is 3/21 in its simplest form? (a) No (b) Yes

Answer key

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

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