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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 840 · 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 4/36 in its simplest form. =
  2. 2.Is 42/60 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 24 and 56?
  4. 4.Write 21/35 in its simplest form. =
  5. 5.What is the HCF of 6 and 10?
  6. 6.What is the HCF of 49 and 56?
  7. 7.Write 40/48 in its simplest form. =
  8. 8.What is the HCF of 4 and 12?
  9. 9.Write 5/45 in its simplest form. =
  10. 10.Write 5/25 in its simplest form. =
  11. 11.Write 8/16 in its simplest form. =
  12. 12.What is the HCF of 12 and 15?
  13. 13.Write 8/24 in its simplest form. =
  14. 14.What is the HCF of 9 and 24?
  15. 15.Write 2/20 in its simplest form. =
  16. 16.Write 36/45 in its simplest form. =
  17. 17.What is the HCF of 5 and 40?
  18. 18.Is 2/3 in its simplest form? (a) No (b) Yes
  19. 19.Is 1/8 in its simplest form? (a) No (b) Yes
  20. 20.Write 49/70 in its simplest form. =
  21. 21.Write 21/27 in its simplest form. =
  22. 22.Write 30/48 in its simplest form. =
  23. 23.Write 3/9 in its simplest form. =
  24. 24.Write 27/30 in its simplest form. =
  25. 25.Is 30/54 in its simplest form? (a) No (b) Yes
  26. 26.Write 3/27 in its simplest form. =
  27. 27.Is 10/25 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 20 and 24?
  29. 29.What is the HCF of 8 and 48?
  30. 30.Write 8/28 in its simplest form. =
  31. 31.Write 6/48 in its simplest form. =
  32. 32.What is the HCF of 2 and 10?
  33. 33.Is 5/35 in its simplest form? (a) Yes (b) No
  34. 34.Write 3/12 in its simplest form. =
  35. 35.What is the HCF of 21 and 56?
  36. 36.Write 12/27 in its simplest form. =
  37. 37.Write 4/28 in its simplest form. =
  38. 38.What is the HCF of 9 and 90?
  39. 39.What is the HCF of 15 and 25?
  40. 40.Write 12/15 in its simplest form. =

Answer key

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

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