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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 259 · 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.What is the HCF of 24 and 64?
  2. 2.Is 30/48 in its simplest form? (a) No (b) Yes
  3. 3.Write 16/56 in its simplest form. =
  4. 4.Is 25/40 in its simplest form? (a) Yes (b) No
  5. 5.Is 15/21 in its simplest form? (a) No (b) Yes
  6. 6.Is 8/9 in its simplest form? (a) Yes (b) No
  7. 7.Write 4/10 in its simplest form. =
  8. 8.What is the HCF of 2 and 16?
  9. 9.Is 2/10 in its simplest form? (a) Yes (b) No
  10. 10.Is 30/42 in its simplest form? (a) Yes (b) No
  11. 11.Write 2/14 in its simplest form. =
  12. 12.What is the HCF of 7 and 14?
  13. 13.Is 7/9 in its simplest form? (a) Yes (b) No
  14. 14.Write 6/36 in its simplest form. =
  15. 15.Is 6/12 in its simplest form? (a) Yes (b) No
  16. 16.Is 16/36 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 9 and 24?
  18. 18.Is 1/7 in its simplest form? (a) No (b) Yes
  19. 19.Is 3/8 in its simplest form? (a) No (b) Yes
  20. 20.Is 5/9 in its simplest form? (a) No (b) Yes
  21. 21.Write 15/20 in its simplest form. =
  22. 22.Write 2/10 in its simplest form. =
  23. 23.Write 36/42 in its simplest form. =
  24. 24.What is the HCF of 12 and 42?
  25. 25.Write 54/60 in its simplest form. =
  26. 26.Write 27/30 in its simplest form. =
  27. 27.Is 24/42 in its simplest form? (a) No (b) Yes
  28. 28.Write 12/15 in its simplest form. =
  29. 29.What is the HCF of 8 and 20?
  30. 30.Is 4/5 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 12 and 14?
  32. 32.What is the HCF of 6 and 14?
  33. 33.What is the HCF of 2 and 20?
  34. 34.Is 35/50 in its simplest form? (a) Yes (b) No
  35. 35.Write 8/28 in its simplest form. =
  36. 36.Is 20/35 in its simplest form? (a) No (b) Yes
  37. 37.Is 5/7 in its simplest form? (a) Yes (b) No
  38. 38.Write 2/12 in its simplest form. =
  39. 39.Is 3/15 in its simplest form? (a) Yes (b) No
  40. 40.Write 20/45 in its simplest form. =

Answer key

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

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