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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 287 · 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 25 and 40?
  2. 2.Write 24/56 in its simplest form. =
  3. 3.Is 4/5 in its simplest form? (a) No (b) Yes
  4. 4.Write 10/16 in its simplest form. =
  5. 5.What is the HCF of 2 and 4?
  6. 6.Is 5/8 in its simplest form? (a) No (b) Yes
  7. 7.Write 8/10 in its simplest form. =
  8. 8.Write 28/63 in its simplest form. =
  9. 9.What is the HCF of 8 and 14?
  10. 10.What is the HCF of 24 and 40?
  11. 11.Write 4/24 in its simplest form. =
  12. 12.Is 3/7 in its simplest form? (a) Yes (b) No
  13. 13.Write 2/10 in its simplest form. =
  14. 14.Is 2/8 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 6 and 9?
  16. 16.Is 3/6 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 3 and 15?
  18. 18.Is 8/9 in its simplest form? (a) No (b) Yes
  19. 19.Is 1/4 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 4 and 12?
  21. 21.Is 8/20 in its simplest form? (a) No (b) Yes
  22. 22.Write 4/16 in its simplest form. =
  23. 23.Write 32/72 in its simplest form. =
  24. 24.What is the HCF of 7 and 49?
  25. 25.Is 3/30 in its simplest form? (a) No (b) Yes
  26. 26.Write 4/20 in its simplest form. =
  27. 27.What is the HCF of 9 and 15?
  28. 28.What is the HCF of 45 and 81?
  29. 29.Is 3/10 in its simplest form? (a) Yes (b) No
  30. 30.Is 12/18 in its simplest form? (a) No (b) Yes
  31. 31.Write 3/24 in its simplest form. =
  32. 32.Write 40/45 in its simplest form. =
  33. 33.Write 12/30 in its simplest form. =
  34. 34.What is the HCF of 30 and 48?
  35. 35.Is 9/10 in its simplest form? (a) No (b) Yes
  36. 36.Is 6/21 in its simplest form? (a) No (b) Yes
  37. 37.Write 5/50 in its simplest form. =
  38. 38.What is the HCF of 40 and 56?
  39. 39.Is 1/7 in its simplest form? (a) Yes (b) No
  40. 40.Write 12/14 in its simplest form. =

Answer key

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

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