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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 264 · 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 12/32 in its simplest form? (a) Yes (b) No
  2. 2.Is 2/8 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 25 and 45?
  4. 4.Is 3/7 in its simplest form? (a) No (b) Yes
  5. 5.Write 4/8 in its simplest form. =
  6. 6.What is the HCF of 15 and 20?
  7. 7.Is 4/7 in its simplest form? (a) No (b) Yes
  8. 8.Write 15/24 in its simplest form. =
  9. 9.What is the HCF of 35 and 63?
  10. 10.Is 15/40 in its simplest form? (a) No (b) Yes
  11. 11.Is 1/4 in its simplest form? (a) Yes (b) No
  12. 12.Write 21/56 in its simplest form. =
  13. 13.Is 21/27 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 12 and 28?
  15. 15.What is the HCF of 16 and 36?
  16. 16.Write 21/28 in its simplest form. =
  17. 17.Write 40/56 in its simplest form. =
  18. 18.Write 21/35 in its simplest form. =
  19. 19.Write 4/32 in its simplest form. =
  20. 20.Write 54/60 in its simplest form. =
  21. 21.Write 9/27 in its simplest form. =
  22. 22.Is 2/4 in its simplest form? (a) No (b) Yes
  23. 23.Is 5/8 in its simplest form? (a) No (b) Yes
  24. 24.Is 35/50 in its simplest form? (a) No (b) Yes
  25. 25.Write 16/24 in its simplest form. =
  26. 26.Is 4/9 in its simplest form? (a) No (b) Yes
  27. 27.Write 15/35 in its simplest form. =
  28. 28.What is the HCF of 20 and 36?
  29. 29.Is 8/28 in its simplest form? (a) Yes (b) No
  30. 30.Write 9/24 in its simplest form. =
  31. 31.Write 16/20 in its simplest form. =
  32. 32.Write 7/49 in its simplest form. =
  33. 33.What is the HCF of 6 and 48?
  34. 34.What is the HCF of 4 and 40?
  35. 35.Is 4/5 in its simplest form? (a) Yes (b) No
  36. 36.Is 15/24 in its simplest form? (a) Yes (b) No
  37. 37.Is 24/54 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 9 and 15?
  39. 39.Write 9/36 in its simplest form. =
  40. 40.What is the HCF of 21 and 35?

Answer key

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

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