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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 59 · 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 2/10 in its simplest form? (a) No (b) Yes
  2. 2.Is 6/7 in its simplest form? (a) Yes (b) No
  3. 3.Is 6/8 in its simplest form? (a) Yes (b) No
  4. 4.Write 36/42 in its simplest form. =
  5. 5.Write 8/12 in its simplest form. =
  6. 6.Is 9/12 in its simplest form? (a) No (b) Yes
  7. 7.Is 3/7 in its simplest form? (a) Yes (b) No
  8. 8.Is 10/16 in its simplest form? (a) Yes (b) No
  9. 9.Is 4/7 in its simplest form? (a) Yes (b) No
  10. 10.Write 6/60 in its simplest form. =
  11. 11.What is the HCF of 12 and 14?
  12. 12.What is the HCF of 48 and 54?
  13. 13.Write 12/15 in its simplest form. =
  14. 14.Write 16/72 in its simplest form. =
  15. 15.Is 3/10 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 4 and 18?
  17. 17.Write 6/18 in its simplest form. =
  18. 18.Is 4/5 in its simplest form? (a) No (b) Yes
  19. 19.Is 6/30 in its simplest form? (a) Yes (b) No
  20. 20.Write 9/72 in its simplest form. =
  21. 21.Write 5/50 in its simplest form. =
  22. 22.Write 5/40 in its simplest form. =
  23. 23.Write 10/35 in its simplest form. =
  24. 24.Write 12/20 in its simplest form. =
  25. 25.Is 4/40 in its simplest form? (a) No (b) Yes
  26. 26.Is 16/20 in its simplest form? (a) No (b) Yes
  27. 27.Write 10/16 in its simplest form. =
  28. 28.Is 1/8 in its simplest form? (a) Yes (b) No
  29. 29.Is 1/9 in its simplest form? (a) No (b) Yes
  30. 30.Is 18/60 in its simplest form? (a) No (b) Yes
  31. 31.Write 10/15 in its simplest form. =
  32. 32.Is 1/7 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 40 and 72?
  34. 34.Is 9/15 in its simplest form? (a) Yes (b) No
  35. 35.Write 14/16 in its simplest form. =
  36. 36.What is the HCF of 6 and 42?
  37. 37.Is 2/5 in its simplest form? (a) Yes (b) No
  38. 38.Is 15/21 in its simplest form? (a) Yes (b) No
  39. 39.Is 6/16 in its simplest form? (a) No (b) Yes
  40. 40.Is 12/27 in its simplest form? (a) Yes (b) No

Answer key

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

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