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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 877 · 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 9/10 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 3 and 18?
  3. 3.Is 10/14 in its simplest form? (a) Yes (b) No
  4. 4.Is 1/5 in its simplest form? (a) Yes (b) No
  5. 5.Is 5/8 in its simplest form? (a) Yes (b) No
  6. 6.Write 8/80 in its simplest form. =
  7. 7.What is the HCF of 42 and 60?
  8. 8.What is the HCF of 12 and 15?
  9. 9.Is 27/30 in its simplest form? (a) Yes (b) No
  10. 10.Write 9/45 in its simplest form. =
  11. 11.Is 3/7 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 6 and 36?
  13. 13.Write 21/24 in its simplest form. =
  14. 14.Write 6/21 in its simplest form. =
  15. 15.Write 15/25 in its simplest form. =
  16. 16.Write 4/8 in its simplest form. =
  17. 17.Write 16/40 in its simplest form. =
  18. 18.What is the HCF of 4 and 10?
  19. 19.What is the HCF of 21 and 24?
  20. 20.Write 18/45 in its simplest form. =
  21. 21.Write 24/30 in its simplest form. =
  22. 22.Write 8/28 in its simplest form. =
  23. 23.Write 9/63 in its simplest form. =
  24. 24.Write 18/27 in its simplest form. =
  25. 25.Is 5/6 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 5 and 20?
  27. 27.Write 2/16 in its simplest form. =
  28. 28.Write 25/35 in its simplest form. =
  29. 29.Is 10/12 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 16 and 24?
  31. 31.Write 6/24 in its simplest form. =
  32. 32.Write 4/32 in its simplest form. =
  33. 33.Is 1/6 in its simplest form? (a) Yes (b) No
  34. 34.Write 4/16 in its simplest form. =
  35. 35.Is 3/4 in its simplest form? (a) No (b) Yes
  36. 36.Write 36/63 in its simplest form. =
  37. 37.Is 8/18 in its simplest form? (a) Yes (b) No
  38. 38.Write 6/27 in its simplest form. =
  39. 39.What is the HCF of 30 and 54?
  40. 40.Is 15/21 in its simplest form? (a) No (b) Yes

Answer key

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

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