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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 437 · 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 6 and 8?
  2. 2.Is 1/7 in its simplest form? (a) No (b) Yes
  3. 3.Write 14/16 in its simplest form. =
  4. 4.Write 7/28 in its simplest form. =
  5. 5.Write 6/15 in its simplest form. =
  6. 6.Write 18/27 in its simplest form. =
  7. 7.What is the HCF of 35 and 63?
  8. 8.What is the HCF of 6 and 18?
  9. 9.Write 5/15 in its simplest form. =
  10. 10.What is the HCF of 40 and 48?
  11. 11.Is 2/20 in its simplest form? (a) No (b) Yes
  12. 12.Is 7/8 in its simplest form? (a) No (b) Yes
  13. 13.Is 4/8 in its simplest form? (a) No (b) Yes
  14. 14.Write 8/20 in its simplest form. =
  15. 15.Write 21/30 in its simplest form. =
  16. 16.Is 2/16 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 14 and 21?
  18. 18.What is the HCF of 2 and 6?
  19. 19.Is 5/6 in its simplest form? (a) Yes (b) No
  20. 20.Write 24/54 in its simplest form. =
  21. 21.Write 7/70 in its simplest form. =
  22. 22.Is 2/14 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 27 and 45?
  24. 24.Write 6/27 in its simplest form. =
  25. 25.What is the HCF of 4 and 8?
  26. 26.What is the HCF of 4 and 10?
  27. 27.What is the HCF of 6 and 54?
  28. 28.Is 12/15 in its simplest form? (a) No (b) Yes
  29. 29.Is 6/54 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 18 and 24?
  31. 31.Write 8/48 in its simplest form. =
  32. 32.Write 8/80 in its simplest form. =
  33. 33.Write 32/56 in its simplest form. =
  34. 34.Is 18/24 in its simplest form? (a) Yes (b) No
  35. 35.Is 12/18 in its simplest form? (a) No (b) Yes
  36. 36.Is 2/9 in its simplest form? (a) Yes (b) No
  37. 37.Is 5/30 in its simplest form? (a) Yes (b) No
  38. 38.Write 9/45 in its simplest form. =
  39. 39.Write 8/18 in its simplest form. =
  40. 40.Write 6/20 in its simplest form. =

Answer key

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

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