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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 250 · 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 40/48 in its simplest form. =
  2. 2.What is the HCF of 35 and 49?
  3. 3.What is the HCF of 12 and 15?
  4. 4.Is 4/5 in its simplest form? (a) No (b) Yes
  5. 5.What is the HCF of 4 and 20?
  6. 6.What is the HCF of 6 and 8?
  7. 7.Write 30/48 in its simplest form. =
  8. 8.What is the HCF of 32 and 36?
  9. 9.What is the HCF of 9 and 36?
  10. 10.Write 56/80 in its simplest form. =
  11. 11.What is the HCF of 2 and 4?
  12. 12.Is 21/30 in its simplest form? (a) Yes (b) No
  13. 13.Write 5/20 in its simplest form. =
  14. 14.Write 6/24 in its simplest form. =
  15. 15.What is the HCF of 18 and 24?
  16. 16.Is 3/8 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 16 and 24?
  18. 18.Is 6/24 in its simplest form? (a) No (b) Yes
  19. 19.Is 2/9 in its simplest form? (a) Yes (b) No
  20. 20.Write 16/36 in its simplest form. =
  21. 21.Is 2/18 in its simplest form? (a) Yes (b) No
  22. 22.Write 14/21 in its simplest form. =
  23. 23.Write 6/21 in its simplest form. =
  24. 24.Is 4/8 in its simplest form? (a) No (b) Yes
  25. 25.Write 14/16 in its simplest form. =
  26. 26.Is 1/2 in its simplest form? (a) Yes (b) No
  27. 27.Is 10/14 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 14 and 16?
  29. 29.Is 16/36 in its simplest form? (a) Yes (b) No
  30. 30.Write 27/30 in its simplest form. =
  31. 31.What is the HCF of 24 and 54?
  32. 32.Is 1/5 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 9 and 15?
  34. 34.Is 1/8 in its simplest form? (a) No (b) Yes
  35. 35.Is 6/14 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 21 and 27?
  37. 37.Write 8/80 in its simplest form. =
  38. 38.Is 10/25 in its simplest form? (a) No (b) Yes
  39. 39.Write 4/8 in its simplest form. =
  40. 40.Write 4/32 in its simplest form. =

Answer key

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

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