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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 813 · 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.Is 3/4 in its simplest form? (a) Yes (b) No
  2. 2.Write 24/32 in its simplest form. =
  3. 3.What is the HCF of 48 and 54?
  4. 4.What is the HCF of 18 and 81?
  5. 5.What is the HCF of 30 and 48?
  6. 6.Is 54/60 in its simplest form? (a) No (b) Yes
  7. 7.Write 10/35 in its simplest form. =
  8. 8.Is 45/50 in its simplest form? (a) No (b) Yes
  9. 9.Write 12/28 in its simplest form. =
  10. 10.Is 42/48 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 16 and 20?
  12. 12.What is the HCF of 18 and 24?
  13. 13.Is 1/4 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 18 and 63?
  15. 15.Write 18/30 in its simplest form. =
  16. 16.Write 18/45 in its simplest form. =
  17. 17.Is 12/28 in its simplest form? (a) Yes (b) No
  18. 18.Write 6/27 in its simplest form. =
  19. 19.Write 20/32 in its simplest form. =
  20. 20.Is 1/8 in its simplest form? (a) Yes (b) No
  21. 21.Is 1/6 in its simplest form? (a) No (b) Yes
  22. 22.Write 32/36 in its simplest form. =
  23. 23.Is 10/35 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 25 and 40?
  25. 25.Is 3/6 in its simplest form? (a) Yes (b) No
  26. 26.Write 49/63 in its simplest form. =
  27. 27.Is 5/6 in its simplest form? (a) Yes (b) No
  28. 28.Is 32/36 in its simplest form? (a) No (b) Yes
  29. 29.Write 20/36 in its simplest form. =
  30. 30.Is 30/54 in its simplest form? (a) Yes (b) No
  31. 31.Is 20/24 in its simplest form? (a) Yes (b) No
  32. 32.Write 4/12 in its simplest form. =
  33. 33.Is 3/8 in its simplest form? (a) Yes (b) No
  34. 34.Is 5/7 in its simplest form? (a) No (b) Yes
  35. 35.Write 2/4 in its simplest form. =
  36. 36.Write 6/9 in its simplest form. =
  37. 37.What is the HCF of 9 and 54?
  38. 38.Write 2/8 in its simplest form. =
  39. 39.What is the HCF of 8 and 36?
  40. 40.Write 20/24 in its simplest form. =

Answer key

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

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