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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 408 · 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 8/14 in its simplest form. =
  2. 2.Is 4/5 in its simplest form? (a) Yes (b) No
  3. 3.Is 18/24 in its simplest form? (a) Yes (b) No
  4. 4.Write 21/28 in its simplest form. =
  5. 5.What is the HCF of 16 and 18?
  6. 6.Write 18/81 in its simplest form. =
  7. 7.What is the HCF of 9 and 18?
  8. 8.What is the HCF of 6 and 30?
  9. 9.What is the HCF of 8 and 12?
  10. 10.Is 4/8 in its simplest form? (a) Yes (b) No
  11. 11.Is 3/4 in its simplest form? (a) Yes (b) No
  12. 12.Write 9/15 in its simplest form. =
  13. 13.What is the HCF of 10 and 25?
  14. 14.Write 30/48 in its simplest form. =
  15. 15.What is the HCF of 7 and 28?
  16. 16.Is 1/7 in its simplest form? (a) No (b) Yes
  17. 17.Is 1/4 in its simplest form? (a) No (b) Yes
  18. 18.Is 15/27 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 7 and 14?
  20. 20.Write 6/30 in its simplest form. =
  21. 21.Is 3/24 in its simplest form? (a) Yes (b) No
  22. 22.Is 6/54 in its simplest form? (a) No (b) Yes
  23. 23.Write 15/27 in its simplest form. =
  24. 24.What is the HCF of 48 and 56?
  25. 25.Is 1/6 in its simplest form? (a) No (b) Yes
  26. 26.Is 6/14 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 9 and 81?
  28. 28.Is 6/27 in its simplest form? (a) No (b) Yes
  29. 29.What is the HCF of 8 and 18?
  30. 30.Write 18/30 in its simplest form. =
  31. 31.What is the HCF of 3 and 18?
  32. 32.Write 2/6 in its simplest form. =
  33. 33.Write 4/8 in its simplest form. =
  34. 34.Write 3/15 in its simplest form. =
  35. 35.Write 8/64 in its simplest form. =
  36. 36.Is 1/2 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 12 and 16?
  38. 38.Write 24/27 in its simplest form. =
  39. 39.Write 20/25 in its simplest form. =
  40. 40.Is 18/42 in its simplest form? (a) Yes (b) No

Answer key

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

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