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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 915 · 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 28 and 36?
  2. 2.Is 3/5 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 2 and 10?
  4. 4.Write 3/30 in its simplest form. =
  5. 5.Write 10/35 in its simplest form. =
  6. 6.Write 15/25 in its simplest form. =
  7. 7.What is the HCF of 24 and 32?
  8. 8.Is 6/60 in its simplest form? (a) No (b) Yes
  9. 9.Is 1/5 in its simplest form? (a) No (b) Yes
  10. 10.Write 21/30 in its simplest form. =
  11. 11.Write 40/72 in its simplest form. =
  12. 12.Is 1/7 in its simplest form? (a) No (b) Yes
  13. 13.Is 20/35 in its simplest form? (a) No (b) Yes
  14. 14.Write 10/18 in its simplest form. =
  15. 15.Write 9/12 in its simplest form. =
  16. 16.What is the HCF of 9 and 63?
  17. 17.Write 12/42 in its simplest form. =
  18. 18.Write 16/72 in its simplest form. =
  19. 19.Is 3/8 in its simplest form? (a) Yes (b) No
  20. 20.What is the HCF of 10 and 25?
  21. 21.Is 42/54 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 5 and 20?
  23. 23.What is the HCF of 72 and 81?
  24. 24.Write 27/30 in its simplest form. =
  25. 25.Is 7/10 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 30 and 42?
  27. 27.What is the HCF of 14 and 21?
  28. 28.Is 4/5 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 3 and 27?
  30. 30.What is the HCF of 9 and 45?
  31. 31.Is 20/45 in its simplest form? (a) Yes (b) No
  32. 32.Is 7/9 in its simplest form? (a) No (b) Yes
  33. 33.Is 2/3 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 9 and 15?
  35. 35.Write 14/16 in its simplest form. =
  36. 36.What is the HCF of 48 and 54?
  37. 37.Write 35/50 in its simplest form. =
  38. 38.What is the HCF of 4 and 18?
  39. 39.Is 1/9 in its simplest form? (a) No (b) Yes
  40. 40.Write 9/54 in its simplest form. =

Answer key

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

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