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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 542 · 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 16/18 in its simplest form. =
  2. 2.Write 10/16 in its simplest form. =
  3. 3.What is the HCF of 28 and 36?
  4. 4.What is the HCF of 56 and 63?
  5. 5.What is the HCF of 2 and 18?
  6. 6.Is 7/9 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 3 and 6?
  8. 8.Is 9/10 in its simplest form? (a) Yes (b) No
  9. 9.Write 9/27 in its simplest form. =
  10. 10.Write 24/64 in its simplest form. =
  11. 11.Write 4/24 in its simplest form. =
  12. 12.What is the HCF of 36 and 63?
  13. 13.Write 25/40 in its simplest form. =
  14. 14.What is the HCF of 24 and 27?
  15. 15.What is the HCF of 8 and 28?
  16. 16.Write 16/24 in its simplest form. =
  17. 17.Is 16/20 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 81 and 90?
  19. 19.What is the HCF of 10 and 12?
  20. 20.Write 6/14 in its simplest form. =
  21. 21.Write 4/12 in its simplest form. =
  22. 22.Is 3/5 in its simplest form? (a) Yes (b) No
  23. 23.Is 8/10 in its simplest form? (a) Yes (b) No
  24. 24.Write 28/36 in its simplest form. =
  25. 25.What is the HCF of 2 and 4?
  26. 26.Write 16/72 in its simplest form. =
  27. 27.Is 3/4 in its simplest form? (a) Yes (b) No
  28. 28.Write 54/63 in its simplest form. =
  29. 29.Is 18/48 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 40 and 48?
  31. 31.What is the HCF of 18 and 45?
  32. 32.What is the HCF of 7 and 28?
  33. 33.Write 4/14 in its simplest form. =
  34. 34.What is the HCF of 25 and 30?
  35. 35.Is 1/2 in its simplest form? (a) Yes (b) No
  36. 36.Write 4/10 in its simplest form. =
  37. 37.Write 45/63 in its simplest form. =
  38. 38.Write 7/35 in its simplest form. =
  39. 39.What is the HCF of 16 and 36?
  40. 40.What is the HCF of 2 and 8?

Answer key

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

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