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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 220 · 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 3/10 in its simplest form? (a) Yes (b) No
  2. 2.Is 1/10 in its simplest form? (a) No (b) Yes
  3. 3.Write 27/72 in its simplest form. =
  4. 4.What is the HCF of 6 and 24?
  5. 5.Write 2/12 in its simplest form. =
  6. 6.What is the HCF of 4 and 10?
  7. 7.Is 2/6 in its simplest form? (a) Yes (b) No
  8. 8.Is 5/9 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 30 and 42?
  10. 10.What is the HCF of 18 and 60?
  11. 11.Write 48/56 in its simplest form. =
  12. 12.Write 25/40 in its simplest form. =
  13. 13.What is the HCF of 12 and 18?
  14. 14.Is 5/8 in its simplest form? (a) Yes (b) No
  15. 15.Is 14/16 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 15 and 40?
  17. 17.Write 28/32 in its simplest form. =
  18. 18.Is 15/50 in its simplest form? (a) No (b) Yes
  19. 19.Write 24/42 in its simplest form. =
  20. 20.Is 3/24 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 27 and 72?
  22. 22.What is the HCF of 21 and 35?
  23. 23.Is 2/3 in its simplest form? (a) Yes (b) No
  24. 24.Write 18/63 in its simplest form. =
  25. 25.What is the HCF of 56 and 80?
  26. 26.What is the HCF of 12 and 27?
  27. 27.Is 1/6 in its simplest form? (a) Yes (b) No
  28. 28.Write 16/56 in its simplest form. =
  29. 29.Write 8/56 in its simplest form. =
  30. 30.What is the HCF of 7 and 35?
  31. 31.What is the HCF of 18 and 27?
  32. 32.What is the HCF of 56 and 72?
  33. 33.Write 21/27 in its simplest form. =
  34. 34.Write 45/54 in its simplest form. =
  35. 35.Is 5/7 in its simplest form? (a) Yes (b) No
  36. 36.Write 2/4 in its simplest form. =
  37. 37.Write 9/36 in its simplest form. =
  38. 38.What is the HCF of 8 and 12?
  39. 39.Is 1/4 in its simplest form? (a) Yes (b) No
  40. 40.Is 7/10 in its simplest form? (a) Yes (b) No

Answer key

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

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