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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 91 · 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 7 and 28?
  2. 2.What is the HCF of 24 and 30?
  3. 3.Write 28/35 in its simplest form. =
  4. 4.What is the HCF of 5 and 40?
  5. 5.What is the HCF of 9 and 63?
  6. 6.Write 9/36 in its simplest form. =
  7. 7.Write 15/40 in its simplest form. =
  8. 8.Is 12/14 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 14 and 18?
  10. 10.Write 6/14 in its simplest form. =
  11. 11.What is the HCF of 24 and 56?
  12. 12.Write 40/45 in its simplest form. =
  13. 13.Write 12/20 in its simplest form. =
  14. 14.What is the HCF of 32 and 36?
  15. 15.What is the HCF of 63 and 90?
  16. 16.Is 8/12 in its simplest form? (a) No (b) Yes
  17. 17.Is 25/35 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 20 and 25?
  19. 19.What is the HCF of 28 and 40?
  20. 20.Write 6/16 in its simplest form. =
  21. 21.Is 5/6 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 45 and 72?
  23. 23.Write 8/16 in its simplest form. =
  24. 24.What is the HCF of 7 and 21?
  25. 25.Write 6/24 in its simplest form. =
  26. 26.Write 27/45 in its simplest form. =
  27. 27.Is 9/10 in its simplest form? (a) No (b) Yes
  28. 28.Write 4/16 in its simplest form. =
  29. 29.Write 6/21 in its simplest form. =
  30. 30.Is 1/9 in its simplest form? (a) No (b) Yes
  31. 31.Write 35/42 in its simplest form. =
  32. 32.What is the HCF of 6 and 24?
  33. 33.Write 25/40 in its simplest form. =
  34. 34.Write 14/63 in its simplest form. =
  35. 35.Write 18/30 in its simplest form. =
  36. 36.Is 9/30 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 4 and 14?
  38. 38.Is 1/2 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 9 and 21?
  40. 40.Write 28/49 in its simplest form. =

Answer key

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

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