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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 556 · 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 9 and 27?
  2. 2.What is the HCF of 2 and 12?
  3. 3.Is 6/12 in its simplest form? (a) Yes (b) No
  4. 4.Write 28/63 in its simplest form. =
  5. 5.Write 15/40 in its simplest form. =
  6. 6.What is the HCF of 54 and 60?
  7. 7.Is 28/36 in its simplest form? (a) No (b) Yes
  8. 8.Write 16/56 in its simplest form. =
  9. 9.What is the HCF of 25 and 40?
  10. 10.What is the HCF of 32 and 40?
  11. 11.Write 72/81 in its simplest form. =
  12. 12.Write 8/12 in its simplest form. =
  13. 13.Write 18/42 in its simplest form. =
  14. 14.What is the HCF of 63 and 90?
  15. 15.Write 35/50 in its simplest form. =
  16. 16.What is the HCF of 3 and 21?
  17. 17.What is the HCF of 4 and 14?
  18. 18.What is the HCF of 15 and 27?
  19. 19.What is the HCF of 16 and 72?
  20. 20.Is 7/9 in its simplest form? (a) Yes (b) No
  21. 21.Is 3/8 in its simplest form? (a) Yes (b) No
  22. 22.Is 24/27 in its simplest form? (a) No (b) Yes
  23. 23.Write 3/18 in its simplest form. =
  24. 24.Write 24/42 in its simplest form. =
  25. 25.Write 56/80 in its simplest form. =
  26. 26.Write 5/45 in its simplest form. =
  27. 27.Write 35/56 in its simplest form. =
  28. 28.What is the HCF of 35 and 50?
  29. 29.Write 9/81 in its simplest form. =
  30. 30.What is the HCF of 12 and 21?
  31. 31.Write 18/20 in its simplest form. =
  32. 32.Write 32/72 in its simplest form. =
  33. 33.What is the HCF of 42 and 48?
  34. 34.What is the HCF of 30 and 54?
  35. 35.What is the HCF of 72 and 80?
  36. 36.Write 56/63 in its simplest form. =
  37. 37.Is 3/4 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 14 and 18?
  39. 39.Is 2/4 in its simplest form? (a) No (b) Yes
  40. 40.Is 4/7 in its simplest form? (a) Yes (b) No

Answer key

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

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