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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 829 · 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.Is 4/16 in its simplest form? (a) No (b) Yes
  2. 2.Write 12/32 in its simplest form. =
  3. 3.Is 5/25 in its simplest form? (a) No (b) Yes
  4. 4.Write 2/18 in its simplest form. =
  5. 5.Write 18/21 in its simplest form. =
  6. 6.Write 9/18 in its simplest form. =
  7. 7.Write 3/9 in its simplest form. =
  8. 8.What is the HCF of 24 and 54?
  9. 9.Write 4/8 in its simplest form. =
  10. 10.Is 1/2 in its simplest form? (a) No (b) Yes
  11. 11.Write 6/10 in its simplest form. =
  12. 12.Is 1/5 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 5 and 15?
  14. 14.Write 7/49 in its simplest form. =
  15. 15.Write 6/48 in its simplest form. =
  16. 16.Write 20/32 in its simplest form. =
  17. 17.Write 4/18 in its simplest form. =
  18. 18.Write 21/70 in its simplest form. =
  19. 19.What is the HCF of 9 and 18?
  20. 20.What is the HCF of 9 and 30?
  21. 21.What is the HCF of 24 and 27?
  22. 22.Write 15/25 in its simplest form. =
  23. 23.Write 63/70 in its simplest form. =
  24. 24.What is the HCF of 63 and 70?
  25. 25.Is 28/32 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 6 and 12?
  27. 27.Write 6/30 in its simplest form. =
  28. 28.What is the HCF of 3 and 12?
  29. 29.Write 48/56 in its simplest form. =
  30. 30.Write 2/10 in its simplest form. =
  31. 31.What is the HCF of 18 and 48?
  32. 32.Is 5/35 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 3 and 18?
  34. 34.Write 25/30 in its simplest form. =
  35. 35.What is the HCF of 12 and 54?
  36. 36.Write 64/72 in its simplest form. =
  37. 37.What is the HCF of 6 and 9?
  38. 38.Write 5/45 in its simplest form. =
  39. 39.Write 35/40 in its simplest form. =
  40. 40.What is the HCF of 56 and 63?

Answer key

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

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