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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 773 · 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 5/6 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 8 and 16?
  3. 3.What is the HCF of 56 and 80?
  4. 4.Is 5/8 in its simplest form? (a) Yes (b) No
  5. 5.Write 6/27 in its simplest form. =
  6. 6.What is the HCF of 25 and 40?
  7. 7.Write 3/6 in its simplest form. =
  8. 8.Is 9/15 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 21 and 27?
  10. 10.What is the HCF of 8 and 56?
  11. 11.Write 9/30 in its simplest form. =
  12. 12.Write 6/24 in its simplest form. =
  13. 13.Write 6/10 in its simplest form. =
  14. 14.Is 2/5 in its simplest form? (a) No (b) Yes
  15. 15.Write 14/16 in its simplest form. =
  16. 16.Write 3/18 in its simplest form. =
  17. 17.Is 1/2 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 12 and 16?
  19. 19.Write 8/36 in its simplest form. =
  20. 20.Is 2/3 in its simplest form? (a) No (b) Yes
  21. 21.Is 10/15 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/10 in its simplest form? (a) Yes (b) No
  23. 23.Is 7/8 in its simplest form? (a) Yes (b) No
  24. 24.What is the HCF of 40 and 48?
  25. 25.What is the HCF of 35 and 40?
  26. 26.What is the HCF of 8 and 48?
  27. 27.What is the HCF of 14 and 21?
  28. 28.Write 6/15 in its simplest form. =
  29. 29.Write 10/15 in its simplest form. =
  30. 30.What is the HCF of 35 and 49?
  31. 31.Write 28/49 in its simplest form. =
  32. 32.Is 5/7 in its simplest form? (a) Yes (b) No
  33. 33.Write 6/48 in its simplest form. =
  34. 34.Write 4/6 in its simplest form. =
  35. 35.Is 3/4 in its simplest form? (a) No (b) Yes
  36. 36.Write 24/64 in its simplest form. =
  37. 37.Is 15/40 in its simplest form? (a) No (b) Yes
  38. 38.Write 3/15 in its simplest form. =
  39. 39.Is 1/5 in its simplest form? (a) No (b) Yes
  40. 40.Is 20/45 in its simplest form? (a) No (b) Yes

Answer key

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

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