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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 233 · 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 40/45 in its simplest form. =
  2. 2.What is the HCF of 6 and 15?
  3. 3.What is the HCF of 6 and 18?
  4. 4.Write 18/24 in its simplest form. =
  5. 5.What is the HCF of 9 and 72?
  6. 6.Is 2/7 in its simplest form? (a) No (b) Yes
  7. 7.Write 7/35 in its simplest form. =
  8. 8.What is the HCF of 56 and 80?
  9. 9.Is 1/3 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 27 and 30?
  11. 11.Write 18/45 in its simplest form. =
  12. 12.Is 28/32 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 24 and 64?
  14. 14.What is the HCF of 12 and 30?
  15. 15.What is the HCF of 6 and 36?
  16. 16.What is the HCF of 6 and 21?
  17. 17.Write 56/80 in its simplest form. =
  18. 18.What is the HCF of 8 and 18?
  19. 19.Write 35/42 in its simplest form. =
  20. 20.What is the HCF of 6 and 27?
  21. 21.What is the HCF of 30 and 48?
  22. 22.What is the HCF of 30 and 36?
  23. 23.Write 7/63 in its simplest form. =
  24. 24.Write 6/16 in its simplest form. =
  25. 25.What is the HCF of 25 and 35?
  26. 26.Write 15/24 in its simplest form. =
  27. 27.What is the HCF of 4 and 14?
  28. 28.What is the HCF of 4 and 8?
  29. 29.Is 8/9 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 25 and 30?
  31. 31.What is the HCF of 63 and 72?
  32. 32.Write 12/14 in its simplest form. =
  33. 33.Is 6/48 in its simplest form? (a) Yes (b) No
  34. 34.Write 9/72 in its simplest form. =
  35. 35.Write 8/14 in its simplest form. =
  36. 36.Is 35/45 in its simplest form? (a) No (b) Yes
  37. 37.Write 24/64 in its simplest form. =
  38. 38.Is 4/5 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 6 and 54?
  40. 40.Write 7/42 in its simplest form. =

Answer key

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

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