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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 688 · 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.What is the HCF of 49 and 56?
  3. 3.What is the HCF of 2 and 6?
  4. 4.Write 16/36 in its simplest form. =
  5. 5.Write 4/24 in its simplest form. =
  6. 6.What is the HCF of 36 and 45?
  7. 7.Is 28/36 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 2 and 16?
  9. 9.Write 14/35 in its simplest form. =
  10. 10.Is 20/36 in its simplest form? (a) Yes (b) No
  11. 11.Is 5/8 in its simplest form? (a) Yes (b) No
  12. 12.Write 10/18 in its simplest form. =
  13. 13.Is 6/21 in its simplest form? (a) No (b) Yes
  14. 14.Is 7/10 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 28 and 63?
  16. 16.Is 4/14 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 10 and 12?
  18. 18.Is 1/10 in its simplest form? (a) No (b) Yes
  19. 19.Is 4/9 in its simplest form? (a) No (b) Yes
  20. 20.Write 9/18 in its simplest form. =
  21. 21.Write 35/50 in its simplest form. =
  22. 22.What is the HCF of 12 and 16?
  23. 23.What is the HCF of 2 and 8?
  24. 24.What is the HCF of 3 and 15?
  25. 25.Write 9/27 in its simplest form. =
  26. 26.Is 2/12 in its simplest form? (a) Yes (b) No
  27. 27.Is 18/21 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 6 and 8?
  29. 29.Write 27/72 in its simplest form. =
  30. 30.Write 63/72 in its simplest form. =
  31. 31.What is the HCF of 40 and 48?
  32. 32.What is the HCF of 6 and 48?
  33. 33.Write 16/72 in its simplest form. =
  34. 34.Write 3/30 in its simplest form. =
  35. 35.Is 4/12 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 8 and 12?
  37. 37.Write 10/25 in its simplest form. =
  38. 38.Write 18/30 in its simplest form. =
  39. 39.Write 12/16 in its simplest form. =
  40. 40.Write 27/45 in its simplest form. =

Answer key

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

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