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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 538 · 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 4/24 in its simplest form. =
  2. 2.Is 1/2 in its simplest form? (a) No (b) Yes
  3. 3.Write 5/10 in its simplest form. =
  4. 4.Write 27/36 in its simplest form. =
  5. 5.Write 21/30 in its simplest form. =
  6. 6.Is 25/45 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 6 and 14?
  8. 8.What is the HCF of 21 and 56?
  9. 9.Is 14/16 in its simplest form? (a) No (b) Yes
  10. 10.Write 16/28 in its simplest form. =
  11. 11.Write 42/49 in its simplest form. =
  12. 12.Is 6/20 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 15 and 20?
  14. 14.What is the HCF of 28 and 49?
  15. 15.Write 8/48 in its simplest form. =
  16. 16.Is 1/3 in its simplest form? (a) No (b) Yes
  17. 17.Is 10/15 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 28 and 32?
  19. 19.Is 32/36 in its simplest form? (a) No (b) Yes
  20. 20.Write 28/40 in its simplest form. =
  21. 21.What is the HCF of 3 and 21?
  22. 22.What is the HCF of 7 and 70?
  23. 23.Write 8/14 in its simplest form. =
  24. 24.Is 5/8 in its simplest form? (a) No (b) Yes
  25. 25.Is 5/6 in its simplest form? (a) Yes (b) No
  26. 26.Write 7/14 in its simplest form. =
  27. 27.Write 2/20 in its simplest form. =
  28. 28.What is the HCF of 9 and 15?
  29. 29.What is the HCF of 8 and 48?
  30. 30.What is the HCF of 7 and 49?
  31. 31.What is the HCF of 6 and 10?
  32. 32.Is 1/6 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 27 and 45?
  34. 34.Write 15/40 in its simplest form. =
  35. 35.What is the HCF of 3 and 27?
  36. 36.What is the HCF of 49 and 56?
  37. 37.Is 5/25 in its simplest form? (a) No (b) Yes
  38. 38.Is 12/32 in its simplest form? (a) No (b) Yes
  39. 39.Write 12/21 in its simplest form. =
  40. 40.Is 5/50 in its simplest form? (a) Yes (b) No

Answer key

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

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