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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 329 · 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 32/56 in its simplest form. =
  2. 2.Write 54/63 in its simplest form. =
  3. 3.Write 24/56 in its simplest form. =
  4. 4.Is 1/4 in its simplest form? (a) Yes (b) No
  5. 5.Is 2/9 in its simplest form? (a) No (b) Yes
  6. 6.Is 10/15 in its simplest form? (a) No (b) Yes
  7. 7.Write 3/24 in its simplest form. =
  8. 8.What is the HCF of 12 and 16?
  9. 9.Write 64/72 in its simplest form. =
  10. 10.What is the HCF of 72 and 81?
  11. 11.Write 40/72 in its simplest form. =
  12. 12.What is the HCF of 6 and 14?
  13. 13.Write 14/63 in its simplest form. =
  14. 14.What is the HCF of 24 and 30?
  15. 15.What is the HCF of 3 and 30?
  16. 16.Write 27/45 in its simplest form. =
  17. 17.What is the HCF of 12 and 18?
  18. 18.Write 12/27 in its simplest form. =
  19. 19.Write 6/20 in its simplest form. =
  20. 20.Write 28/63 in its simplest form. =
  21. 21.Write 9/54 in its simplest form. =
  22. 22.Write 8/14 in its simplest form. =
  23. 23.Write 6/16 in its simplest form. =
  24. 24.What is the HCF of 42 and 60?
  25. 25.What is the HCF of 24 and 64?
  26. 26.Write 40/45 in its simplest form. =
  27. 27.Write 12/18 in its simplest form. =
  28. 28.Write 6/30 in its simplest form. =
  29. 29.What is the HCF of 20 and 24?
  30. 30.What is the HCF of 25 and 35?
  31. 31.Write 8/56 in its simplest form. =
  32. 32.Write 6/27 in its simplest form. =
  33. 33.What is the HCF of 8 and 16?
  34. 34.Is 3/12 in its simplest form? (a) Yes (b) No
  35. 35.What is the HCF of 12 and 21?
  36. 36.What is the HCF of 36 and 42?
  37. 37.Write 25/30 in its simplest form. =
  38. 38.What is the HCF of 42 and 48?
  39. 39.Write 2/4 in its simplest form. =
  40. 40.Write 35/63 in its simplest form. =

Answer key

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

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