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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 907 · 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 2/14 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 8 and 10?
  3. 3.Write 16/28 in its simplest form. =
  4. 4.What is the HCF of 18 and 24?
  5. 5.Is 8/28 in its simplest form? (a) No (b) Yes
  6. 6.Is 15/24 in its simplest form? (a) No (b) Yes
  7. 7.Write 30/42 in its simplest form. =
  8. 8.Is 10/14 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 9 and 45?
  10. 10.Write 36/45 in its simplest form. =
  11. 11.What is the HCF of 9 and 81?
  12. 12.What is the HCF of 6 and 8?
  13. 13.Write 6/12 in its simplest form. =
  14. 14.Write 20/36 in its simplest form. =
  15. 15.What is the HCF of 8 and 16?
  16. 16.Is 40/45 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 12 and 20?
  18. 18.What is the HCF of 21 and 27?
  19. 19.Is 42/48 in its simplest form? (a) No (b) Yes
  20. 20.Write 35/40 in its simplest form. =
  21. 21.What is the HCF of 35 and 56?
  22. 22.Is 6/18 in its simplest form? (a) No (b) Yes
  23. 23.Write 18/24 in its simplest form. =
  24. 24.Write 3/12 in its simplest form. =
  25. 25.What is the HCF of 4 and 40?
  26. 26.Is 3/9 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 15 and 35?
  28. 28.What is the HCF of 12 and 54?
  29. 29.What is the HCF of 21 and 49?
  30. 30.What is the HCF of 15 and 24?
  31. 31.Write 32/72 in its simplest form. =
  32. 32.Is 6/15 in its simplest form? (a) No (b) Yes
  33. 33.Write 4/8 in its simplest form. =
  34. 34.Write 18/63 in its simplest form. =
  35. 35.Write 45/54 in its simplest form. =
  36. 36.Is 6/24 in its simplest form? (a) Yes (b) No
  37. 37.Is 18/30 in its simplest form? (a) Yes (b) No
  38. 38.Is 14/16 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 24 and 54?
  40. 40.Write 35/56 in its simplest form. =

Answer key

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

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