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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 497 · 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 4/5 in its simplest form? (a) Yes (b) No
  2. 2.Write 24/40 in its simplest form. =
  3. 3.What is the HCF of 35 and 63?
  4. 4.Write 5/45 in its simplest form. =
  5. 5.Write 24/80 in its simplest form. =
  6. 6.Is 20/24 in its simplest form? (a) No (b) Yes
  7. 7.Is 25/35 in its simplest form? (a) No (b) Yes
  8. 8.Is 6/16 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 12 and 16?
  10. 10.Write 6/12 in its simplest form. =
  11. 11.Is 10/12 in its simplest form? (a) No (b) Yes
  12. 12.Write 2/4 in its simplest form. =
  13. 13.Write 8/20 in its simplest form. =
  14. 14.What is the HCF of 9 and 30?
  15. 15.Is 7/9 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 15 and 24?
  17. 17.Write 18/45 in its simplest form. =
  18. 18.What is the HCF of 5 and 20?
  19. 19.Write 16/36 in its simplest form. =
  20. 20.What is the HCF of 12 and 21?
  21. 21.What is the HCF of 12 and 15?
  22. 22.Write 30/48 in its simplest form. =
  23. 23.Write 48/54 in its simplest form. =
  24. 24.Is 12/18 in its simplest form? (a) No (b) Yes
  25. 25.Is 16/18 in its simplest form? (a) Yes (b) No
  26. 26.Write 4/14 in its simplest form. =
  27. 27.Write 54/60 in its simplest form. =
  28. 28.What is the HCF of 2 and 6?
  29. 29.Write 15/50 in its simplest form. =
  30. 30.Write 6/14 in its simplest form. =
  31. 31.Write 24/56 in its simplest form. =
  32. 32.Write 24/42 in its simplest form. =
  33. 33.Write 7/35 in its simplest form. =
  34. 34.Write 20/24 in its simplest form. =
  35. 35.Write 3/6 in its simplest form. =
  36. 36.Is 3/5 in its simplest form? (a) No (b) Yes
  37. 37.Is 4/9 in its simplest form? (a) No (b) Yes
  38. 38.Is 12/14 in its simplest form? (a) Yes (b) No
  39. 39.Write 21/28 in its simplest form. =
  40. 40.Is 3/4 in its simplest form? (a) No (b) Yes

Answer key

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

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