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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 642 · 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 35/42 in its simplest form. =
  2. 2.What is the HCF of 8 and 14?
  3. 3.Is 2/6 in its simplest form? (a) Yes (b) No
  4. 4.Write 35/40 in its simplest form. =
  5. 5.What is the HCF of 32 and 36?
  6. 6.Write 5/35 in its simplest form. =
  7. 7.Is 18/48 in its simplest form? (a) No (b) Yes
  8. 8.Write 36/40 in its simplest form. =
  9. 9.What is the HCF of 4 and 18?
  10. 10.What is the HCF of 24 and 32?
  11. 11.What is the HCF of 6 and 24?
  12. 12.Is 3/10 in its simplest form? (a) Yes (b) No
  13. 13.Write 25/30 in its simplest form. =
  14. 14.Is 6/60 in its simplest form? (a) Yes (b) No
  15. 15.Is 12/21 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 30 and 54?
  17. 17.What is the HCF of 8 and 20?
  18. 18.Is 12/32 in its simplest form? (a) No (b) Yes
  19. 19.Is 3/4 in its simplest form? (a) No (b) Yes
  20. 20.Write 3/27 in its simplest form. =
  21. 21.Is 1/8 in its simplest form? (a) No (b) Yes
  22. 22.Write 36/42 in its simplest form. =
  23. 23.What is the HCF of 48 and 54?
  24. 24.Is 1/9 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 18 and 63?
  26. 26.Is 6/42 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 6 and 60?
  28. 28.What is the HCF of 3 and 24?
  29. 29.Write 12/42 in its simplest form. =
  30. 30.Write 8/10 in its simplest form. =
  31. 31.Write 24/54 in its simplest form. =
  32. 32.Write 54/60 in its simplest form. =
  33. 33.Is 12/15 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 72 and 80?
  35. 35.What is the HCF of 6 and 21?
  36. 36.Write 21/70 in its simplest form. =
  37. 37.Is 4/6 in its simplest form? (a) Yes (b) No
  38. 38.Write 12/21 in its simplest form. =
  39. 39.What is the HCF of 24 and 56?
  40. 40.Is 15/21 in its simplest form? (a) Yes (b) No

Answer key

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

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