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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 837 · 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 1/5 in its simplest form? (a) No (b) Yes
  2. 2.Write 10/35 in its simplest form. =
  3. 3.What is the HCF of 24 and 54?
  4. 4.Write 16/20 in its simplest form. =
  5. 5.What is the HCF of 15 and 24?
  6. 6.What is the HCF of 4 and 20?
  7. 7.Is 20/28 in its simplest form? (a) No (b) Yes
  8. 8.Is 4/16 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 4 and 14?
  10. 10.Write 49/70 in its simplest form. =
  11. 11.Is 48/54 in its simplest form? (a) No (b) Yes
  12. 12.Is 2/7 in its simplest form? (a) Yes (b) No
  13. 13.Write 6/16 in its simplest form. =
  14. 14.Is 2/4 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 8 and 40?
  16. 16.Write 24/40 in its simplest form. =
  17. 17.Write 15/20 in its simplest form. =
  18. 18.Write 20/32 in its simplest form. =
  19. 19.Write 18/60 in its simplest form. =
  20. 20.What is the HCF of 5 and 10?
  21. 21.What is the HCF of 27 and 30?
  22. 22.Write 16/24 in its simplest form. =
  23. 23.Write 18/81 in its simplest form. =
  24. 24.What is the HCF of 12 and 20?
  25. 25.What is the HCF of 32 and 56?
  26. 26.What is the HCF of 15 and 25?
  27. 27.What is the HCF of 25 and 40?
  28. 28.Is 3/12 in its simplest form? (a) Yes (b) No
  29. 29.Is 1/9 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 64 and 72?
  31. 31.What is the HCF of 42 and 54?
  32. 32.What is the HCF of 24 and 42?
  33. 33.What is the HCF of 21 and 35?
  34. 34.Is 1/3 in its simplest form? (a) Yes (b) No
  35. 35.Write 2/6 in its simplest form. =
  36. 36.Write 8/64 in its simplest form. =
  37. 37.Write 42/49 in its simplest form. =
  38. 38.Write 48/54 in its simplest form. =
  39. 39.What is the HCF of 6 and 21?
  40. 40.Write 15/50 in its simplest form. =

Answer key

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

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