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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 789 · 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 1/5 in its simplest form? (a) Yes (b) No
  2. 2.Is 24/30 in its simplest form? (a) No (b) Yes
  3. 3.Write 8/12 in its simplest form. =
  4. 4.What is the HCF of 28 and 40?
  5. 5.What is the HCF of 14 and 35?
  6. 6.Is 1/2 in its simplest form? (a) No (b) Yes
  7. 7.Write 27/63 in its simplest form. =
  8. 8.What is the HCF of 24 and 54?
  9. 9.Is 7/9 in its simplest form? (a) No (b) Yes
  10. 10.Write 16/40 in its simplest form. =
  11. 11.What is the HCF of 24 and 30?
  12. 12.Write 8/18 in its simplest form. =
  13. 13.Write 35/56 in its simplest form. =
  14. 14.Is 5/9 in its simplest form? (a) Yes (b) No
  15. 15.Write 6/14 in its simplest form. =
  16. 16.Write 8/10 in its simplest form. =
  17. 17.Is 3/10 in its simplest form? (a) No (b) Yes
  18. 18.Is 8/36 in its simplest form? (a) Yes (b) No
  19. 19.Write 10/16 in its simplest form. =
  20. 20.Write 36/81 in its simplest form. =
  21. 21.What is the HCF of 40 and 56?
  22. 22.Is 2/9 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 8 and 18?
  24. 24.What is the HCF of 24 and 28?
  25. 25.Is 1/9 in its simplest form? (a) No (b) Yes
  26. 26.Write 12/54 in its simplest form. =
  27. 27.Is 6/18 in its simplest form? (a) No (b) Yes
  28. 28.Is 3/7 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 18 and 60?
  30. 30.Is 5/50 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 5 and 10?
  32. 32.Is 2/7 in its simplest form? (a) Yes (b) No
  33. 33.Write 4/28 in its simplest form. =
  34. 34.What is the HCF of 7 and 21?
  35. 35.Write 36/63 in its simplest form. =
  36. 36.Write 56/63 in its simplest form. =
  37. 37.Write 14/16 in its simplest form. =
  38. 38.Is 6/16 in its simplest form? (a) No (b) Yes
  39. 39.Write 6/36 in its simplest form. =
  40. 40.Write 9/30 in its simplest form. =

Answer key

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

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