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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 823 · 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.Write 18/60 in its simplest form. =
  2. 2.Write 12/20 in its simplest form. =
  3. 3.Is 6/14 in its simplest form? (a) Yes (b) No
  4. 4.What is the HCF of 2 and 8?
  5. 5.Write 9/54 in its simplest form. =
  6. 6.Write 4/36 in its simplest form. =
  7. 7.Write 20/25 in its simplest form. =
  8. 8.Is 7/9 in its simplest form? (a) No (b) Yes
  9. 9.Is 10/45 in its simplest form? (a) Yes (b) No
  10. 10.Write 8/10 in its simplest form. =
  11. 11.Write 6/9 in its simplest form. =
  12. 12.Is 8/9 in its simplest form? (a) No (b) Yes
  13. 13.Write 7/35 in its simplest form. =
  14. 14.Is 35/50 in its simplest form? (a) No (b) Yes
  15. 15.Write 2/8 in its simplest form. =
  16. 16.Is 6/36 in its simplest form? (a) No (b) Yes
  17. 17.Write 9/27 in its simplest form. =
  18. 18.What is the HCF of 28 and 35?
  19. 19.Is 9/24 in its simplest form? (a) No (b) Yes
  20. 20.Is 12/27 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 36 and 63?
  22. 22.Write 12/16 in its simplest form. =
  23. 23.What is the HCF of 9 and 45?
  24. 24.Write 63/70 in its simplest form. =
  25. 25.What is the HCF of 3 and 15?
  26. 26.Is 6/7 in its simplest form? (a) Yes (b) No
  27. 27.Write 54/60 in its simplest form. =
  28. 28.Is 1/3 in its simplest form? (a) No (b) Yes
  29. 29.Is 1/9 in its simplest form? (a) No (b) Yes
  30. 30.Write 10/16 in its simplest form. =
  31. 31.Write 16/36 in its simplest form. =
  32. 32.Write 45/50 in its simplest form. =
  33. 33.Is 12/15 in its simplest form? (a) No (b) Yes
  34. 34.Is 30/36 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 12 and 20?
  36. 36.What is the HCF of 9 and 30?
  37. 37.Is 2/5 in its simplest form? (a) Yes (b) No
  38. 38.Write 27/63 in its simplest form. =
  39. 39.Is 3/8 in its simplest form? (a) No (b) Yes
  40. 40.Is 24/42 in its simplest form? (a) Yes (b) No

Answer key

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

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