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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 263 · 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 56?
  2. 2.Write 40/64 in its simplest form. =
  3. 3.Write 4/6 in its simplest form. =
  4. 4.Write 8/16 in its simplest form. =
  5. 5.Is 5/8 in its simplest form? (a) No (b) Yes
  6. 6.Is 21/24 in its simplest form? (a) No (b) Yes
  7. 7.Write 25/30 in its simplest form. =
  8. 8.Write 24/28 in its simplest form. =
  9. 9.Is 15/40 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 4 and 18?
  11. 11.Write 18/42 in its simplest form. =
  12. 12.What is the HCF of 9 and 90?
  13. 13.Is 42/60 in its simplest form? (a) No (b) Yes
  14. 14.Write 20/24 in its simplest form. =
  15. 15.What is the HCF of 30 and 42?
  16. 16.What is the HCF of 8 and 40?
  17. 17.What is the HCF of 14 and 21?
  18. 18.What is the HCF of 21 and 35?
  19. 19.Write 6/14 in its simplest form. =
  20. 20.What is the HCF of 56 and 72?
  21. 21.What is the HCF of 7 and 35?
  22. 22.Is 6/7 in its simplest form? (a) Yes (b) No
  23. 23.Write 2/10 in its simplest form. =
  24. 24.What is the HCF of 63 and 70?
  25. 25.Write 27/30 in its simplest form. =
  26. 26.Write 6/27 in its simplest form. =
  27. 27.Write 14/16 in its simplest form. =
  28. 28.What is the HCF of 2 and 4?
  29. 29.Write 3/15 in its simplest form. =
  30. 30.What is the HCF of 6 and 36?
  31. 31.Is 1/5 in its simplest form? (a) Yes (b) No
  32. 32.Is 2/3 in its simplest form? (a) Yes (b) No
  33. 33.Write 16/72 in its simplest form. =
  34. 34.Is 3/8 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 12 and 14?
  36. 36.Write 6/9 in its simplest form. =
  37. 37.Write 24/64 in its simplest form. =
  38. 38.Write 54/63 in its simplest form. =
  39. 39.Is 1/4 in its simplest form? (a) Yes (b) No
  40. 40.Write 6/10 in its simplest form. =

Answer key

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

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