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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 195 · 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 64/72 in its simplest form. =
  2. 2.What is the HCF of 20 and 36?
  3. 3.Write 18/27 in its simplest form. =
  4. 4.What is the HCF of 7 and 21?
  5. 5.What is the HCF of 49 and 56?
  6. 6.What is the HCF of 3 and 24?
  7. 7.What is the HCF of 6 and 16?
  8. 8.Is 3/8 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 12 and 20?
  10. 10.What is the HCF of 2 and 8?
  11. 11.What is the HCF of 12 and 18?
  12. 12.What is the HCF of 8 and 12?
  13. 13.Write 30/42 in its simplest form. =
  14. 14.Is 32/36 in its simplest form? (a) Yes (b) No
  15. 15.Write 6/24 in its simplest form. =
  16. 16.Write 5/25 in its simplest form. =
  17. 17.Is 2/3 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 35 and 40?
  19. 19.Is 1/7 in its simplest form? (a) No (b) Yes
  20. 20.Write 72/80 in its simplest form. =
  21. 21.Is 1/8 in its simplest form? (a) No (b) Yes
  22. 22.Write 2/18 in its simplest form. =
  23. 23.Is 12/20 in its simplest form? (a) Yes (b) No
  24. 24.Write 6/9 in its simplest form. =
  25. 25.Write 18/45 in its simplest form. =
  26. 26.What is the HCF of 42 and 60?
  27. 27.Write 9/45 in its simplest form. =
  28. 28.What is the HCF of 24 and 80?
  29. 29.Is 5/8 in its simplest form? (a) No (b) Yes
  30. 30.Is 7/9 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 49 and 70?
  32. 32.Write 7/35 in its simplest form. =
  33. 33.What is the HCF of 18 and 42?
  34. 34.What is the HCF of 8 and 36?
  35. 35.What is the HCF of 21 and 49?
  36. 36.What is the HCF of 27 and 63?
  37. 37.Is 1/5 in its simplest form? (a) No (b) Yes
  38. 38.Is 12/30 in its simplest form? (a) Yes (b) No
  39. 39.What is the HCF of 20 and 25?
  40. 40.What is the HCF of 21 and 28?

Answer key

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

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