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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 714 · 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 24 and 27?
  2. 2.What is the HCF of 8 and 36?
  3. 3.What is the HCF of 18 and 45?
  4. 4.Write 10/12 in its simplest form. =
  5. 5.What is the HCF of 32 and 40?
  6. 6.Write 24/56 in its simplest form. =
  7. 7.What is the HCF of 6 and 14?
  8. 8.Write 8/72 in its simplest form. =
  9. 9.Is 4/8 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 63 and 81?
  11. 11.What is the HCF of 5 and 45?
  12. 12.Is 3/15 in its simplest form? (a) Yes (b) No
  13. 13.Is 7/9 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 8 and 24?
  15. 15.What is the HCF of 54 and 63?
  16. 16.What is the HCF of 4 and 32?
  17. 17.Write 18/42 in its simplest form. =
  18. 18.Write 2/18 in its simplest form. =
  19. 19.Write 21/35 in its simplest form. =
  20. 20.Write 20/36 in its simplest form. =
  21. 21.What is the HCF of 14 and 35?
  22. 22.Write 6/60 in its simplest form. =
  23. 23.Is 5/7 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 20 and 36?
  25. 25.Is 1/10 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 14 and 16?
  27. 27.Is 12/14 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 35 and 50?
  29. 29.What is the HCF of 4 and 8?
  30. 30.Write 7/49 in its simplest form. =
  31. 31.What is the HCF of 7 and 42?
  32. 32.Write 24/80 in its simplest form. =
  33. 33.Is 28/36 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 5 and 15?
  35. 35.Write 21/28 in its simplest form. =
  36. 36.Write 4/36 in its simplest form. =
  37. 37.What is the HCF of 6 and 30?
  38. 38.Write 5/25 in its simplest form. =
  39. 39.Write 16/20 in its simplest form. =
  40. 40.Is 4/9 in its simplest form? (a) No (b) Yes

Answer key

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

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