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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 227 · 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.What is the HCF of 16 and 24?
  2. 2.What is the HCF of 14 and 63?
  3. 3.Is 54/60 in its simplest form? (a) No (b) Yes
  4. 4.Write 6/27 in its simplest form. =
  5. 5.Write 12/32 in its simplest form. =
  6. 6.Write 56/72 in its simplest form. =
  7. 7.Is 4/5 in its simplest form? (a) No (b) Yes
  8. 8.Write 6/24 in its simplest form. =
  9. 9.Write 25/40 in its simplest form. =
  10. 10.Is 3/4 in its simplest form? (a) Yes (b) No
  11. 11.Is 18/24 in its simplest form? (a) Yes (b) No
  12. 12.Write 40/72 in its simplest form. =
  13. 13.Write 27/45 in its simplest form. =
  14. 14.Is 3/8 in its simplest form? (a) Yes (b) No
  15. 15.Write 2/4 in its simplest form. =
  16. 16.Is 6/9 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 2 and 6?
  18. 18.Write 7/21 in its simplest form. =
  19. 19.What is the HCF of 8 and 48?
  20. 20.Is 6/36 in its simplest form? (a) No (b) Yes
  21. 21.Is 2/5 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/30 in its simplest form? (a) No (b) Yes
  23. 23.Write 7/42 in its simplest form. =
  24. 24.Is 1/3 in its simplest form? (a) No (b) Yes
  25. 25.Write 40/45 in its simplest form. =
  26. 26.Is 5/7 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 10 and 45?
  28. 28.Write 63/70 in its simplest form. =
  29. 29.Is 2/4 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 9 and 21?
  31. 31.Write 27/72 in its simplest form. =
  32. 32.Is 2/9 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 27 and 30?
  34. 34.What is the HCF of 7 and 28?
  35. 35.Write 12/14 in its simplest form. =
  36. 36.Is 1/9 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 3 and 9?
  38. 38.Write 16/56 in its simplest form. =
  39. 39.Write 9/63 in its simplest form. =
  40. 40.Is 1/2 in its simplest form? (a) No (b) Yes

Answer key

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

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