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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 786 · 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 20/24 in its simplest form. =
  2. 2.Is 1/3 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 3 and 12?
  4. 4.What is the HCF of 18 and 48?
  5. 5.Write 6/24 in its simplest form. =
  6. 6.Is 24/42 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 2 and 4?
  8. 8.Is 4/20 in its simplest form? (a) No (b) Yes
  9. 9.Is 4/10 in its simplest form? (a) Yes (b) No
  10. 10.Is 1/6 in its simplest form? (a) Yes (b) No
  11. 11.Is 4/7 in its simplest form? (a) No (b) Yes
  12. 12.Is 18/48 in its simplest form? (a) No (b) Yes
  13. 13.Write 4/24 in its simplest form. =
  14. 14.Write 6/27 in its simplest form. =
  15. 15.Is 6/30 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 10 and 14?
  17. 17.Is 2/3 in its simplest form? (a) Yes (b) No
  18. 18.Is 2/10 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 6 and 10?
  20. 20.Is 28/36 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 16 and 18?
  22. 22.Is 3/15 in its simplest form? (a) Yes (b) No
  23. 23.Write 15/21 in its simplest form. =
  24. 24.Is 1/7 in its simplest form? (a) No (b) Yes
  25. 25.What is the HCF of 16 and 24?
  26. 26.What is the HCF of 30 and 48?
  27. 27.What is the HCF of 8 and 16?
  28. 28.Is 15/20 in its simplest form? (a) Yes (b) No
  29. 29.Is 30/42 in its simplest form? (a) No (b) Yes
  30. 30.Is 8/9 in its simplest form? (a) Yes (b) No
  31. 31.Write 2/18 in its simplest form. =
  32. 32.Is 35/45 in its simplest form? (a) Yes (b) No
  33. 33.Is 3/5 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 49 and 70?
  35. 35.Is 2/5 in its simplest form? (a) No (b) Yes
  36. 36.Is 1/9 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 27 and 30?
  38. 38.Write 4/36 in its simplest form. =
  39. 39.Write 8/56 in its simplest form. =
  40. 40.Is 4/9 in its simplest form? (a) No (b) Yes

Answer key

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

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