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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 964 · 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.Write 56/63 in its simplest form. =
  2. 2.Write 40/72 in its simplest form. =
  3. 3.Write 4/24 in its simplest form. =
  4. 4.What is the HCF of 3 and 9?
  5. 5.What is the HCF of 9 and 90?
  6. 6.Is 4/24 in its simplest form? (a) Yes (b) No
  7. 7.Is 3/5 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 12 and 32?
  9. 9.Write 16/24 in its simplest form. =
  10. 10.Write 5/45 in its simplest form. =
  11. 11.What is the HCF of 12 and 16?
  12. 12.What is the HCF of 18 and 45?
  13. 13.What is the HCF of 40 and 72?
  14. 14.What is the HCF of 15 and 24?
  15. 15.What is the HCF of 8 and 12?
  16. 16.Write 7/63 in its simplest form. =
  17. 17.What is the HCF of 27 and 30?
  18. 18.Write 3/9 in its simplest form. =
  19. 19.Is 1/10 in its simplest form? (a) No (b) Yes
  20. 20.Write 4/20 in its simplest form. =
  21. 21.Write 30/36 in its simplest form. =
  22. 22.Write 20/35 in its simplest form. =
  23. 23.What is the HCF of 32 and 40?
  24. 24.Write 25/30 in its simplest form. =
  25. 25.Write 49/70 in its simplest form. =
  26. 26.Write 6/24 in its simplest form. =
  27. 27.Is 12/54 in its simplest form? (a) Yes (b) No
  28. 28.Write 18/48 in its simplest form. =
  29. 29.What is the HCF of 18 and 30?
  30. 30.Is 10/35 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 36 and 81?
  32. 32.Write 40/56 in its simplest form. =
  33. 33.Write 20/28 in its simplest form. =
  34. 34.What is the HCF of 48 and 56?
  35. 35.Write 9/21 in its simplest form. =
  36. 36.Write 24/32 in its simplest form. =
  37. 37.What is the HCF of 36 and 63?
  38. 38.Is 1/9 in its simplest form? (a) No (b) Yes
  39. 39.Is 7/8 in its simplest form? (a) No (b) Yes
  40. 40.Write 9/45 in its simplest form. =

Answer key

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

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