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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 693 · 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 54/63 in its simplest form. =
  2. 2.Write 7/14 in its simplest form. =
  3. 3.What is the HCF of 18 and 30?
  4. 4.What is the HCF of 36 and 81?
  5. 5.Is 6/7 in its simplest form? (a) No (b) Yes
  6. 6.Write 3/12 in its simplest form. =
  7. 7.Is 2/5 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 6 and 9?
  9. 9.Is 1/6 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 21 and 49?
  11. 11.Write 6/10 in its simplest form. =
  12. 12.What is the HCF of 8 and 48?
  13. 13.What is the HCF of 10 and 16?
  14. 14.Is 3/5 in its simplest form? (a) No (b) Yes
  15. 15.Write 3/30 in its simplest form. =
  16. 16.What is the HCF of 21 and 28?
  17. 17.What is the HCF of 45 and 54?
  18. 18.Write 18/42 in its simplest form. =
  19. 19.Write 42/49 in its simplest form. =
  20. 20.Is 20/32 in its simplest form? (a) No (b) Yes
  21. 21.Write 4/36 in its simplest form. =
  22. 22.Write 12/27 in its simplest form. =
  23. 23.Write 10/12 in its simplest form. =
  24. 24.What is the HCF of 2 and 14?
  25. 25.What is the HCF of 24 and 32?
  26. 26.Write 9/81 in its simplest form. =
  27. 27.Is 5/25 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 12 and 27?
  29. 29.Write 4/24 in its simplest form. =
  30. 30.What is the HCF of 16 and 28?
  31. 31.Is 5/9 in its simplest form? (a) No (b) Yes
  32. 32.Write 10/15 in its simplest form. =
  33. 33.Write 42/60 in its simplest form. =
  34. 34.Is 15/24 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 2 and 20?
  36. 36.What is the HCF of 35 and 63?
  37. 37.What is the HCF of 16 and 24?
  38. 38.What is the HCF of 15 and 24?
  39. 39.What is the HCF of 15 and 21?
  40. 40.Write 5/40 in its simplest form. =

Answer key

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

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