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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 891 · 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 2/20 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 6 and 16?
  3. 3.Write 12/14 in its simplest form. =
  4. 4.Write 24/30 in its simplest form. =
  5. 5.Write 16/20 in its simplest form. =
  6. 6.Write 12/20 in its simplest form. =
  7. 7.Write 21/24 in its simplest form. =
  8. 8.What is the HCF of 27 and 30?
  9. 9.What is the HCF of 35 and 49?
  10. 10.What is the HCF of 14 and 16?
  11. 11.Is 4/8 in its simplest form? (a) No (b) Yes
  12. 12.Is 1/8 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 15 and 18?
  14. 14.Write 56/63 in its simplest form. =
  15. 15.Is 6/16 in its simplest form? (a) No (b) Yes
  16. 16.Write 3/30 in its simplest form. =
  17. 17.Is 2/12 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 24 and 28?
  19. 19.What is the HCF of 2 and 10?
  20. 20.Write 15/24 in its simplest form. =
  21. 21.Is 6/30 in its simplest form? (a) No (b) Yes
  22. 22.Is 12/21 in its simplest form? (a) No (b) Yes
  23. 23.Write 36/63 in its simplest form. =
  24. 24.What is the HCF of 5 and 10?
  25. 25.Is 3/15 in its simplest form? (a) Yes (b) No
  26. 26.Write 14/49 in its simplest form. =
  27. 27.Write 18/27 in its simplest form. =
  28. 28.Write 12/28 in its simplest form. =
  29. 29.What is the HCF of 7 and 35?
  30. 30.What is the HCF of 16 and 28?
  31. 31.What is the HCF of 4 and 40?
  32. 32.What is the HCF of 21 and 28?
  33. 33.Write 14/21 in its simplest form. =
  34. 34.What is the HCF of 7 and 14?
  35. 35.Is 2/9 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 14 and 21?
  37. 37.Write 16/56 in its simplest form. =
  38. 38.What is the HCF of 36 and 81?
  39. 39.Write 16/24 in its simplest form. =
  40. 40.Write 3/9 in its simplest form. =

Answer key

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

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