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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 632 · 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 1/4 in its simplest form? (a) No (b) Yes
  2. 2.Write 28/49 in its simplest form. =
  3. 3.Write 6/36 in its simplest form. =
  4. 4.Is 3/18 in its simplest form? (a) No (b) Yes
  5. 5.Write 7/70 in its simplest form. =
  6. 6.What is the HCF of 27 and 45?
  7. 7.Write 21/56 in its simplest form. =
  8. 8.What is the HCF of 9 and 45?
  9. 9.Is 18/48 in its simplest form? (a) Yes (b) No
  10. 10.Write 16/18 in its simplest form. =
  11. 11.What is the HCF of 4 and 10?
  12. 12.Write 7/14 in its simplest form. =
  13. 13.Write 7/63 in its simplest form. =
  14. 14.Write 42/48 in its simplest form. =
  15. 15.Is 30/48 in its simplest form? (a) No (b) Yes
  16. 16.Is 36/40 in its simplest form? (a) Yes (b) No
  17. 17.Write 15/20 in its simplest form. =
  18. 18.What is the HCF of 5 and 30?
  19. 19.Is 28/36 in its simplest form? (a) No (b) Yes
  20. 20.Is 2/7 in its simplest form? (a) No (b) Yes
  21. 21.Write 3/6 in its simplest form. =
  22. 22.Is 3/7 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 2 and 12?
  24. 24.Is 5/7 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 28 and 40?
  26. 26.Write 6/16 in its simplest form. =
  27. 27.Is 2/5 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 12 and 27?
  29. 29.What is the HCF of 6 and 20?
  30. 30.Is 8/9 in its simplest form? (a) No (b) Yes
  31. 31.Write 14/49 in its simplest form. =
  32. 32.Write 25/35 in its simplest form. =
  33. 33.Write 10/18 in its simplest form. =
  34. 34.Is 6/18 in its simplest form? (a) Yes (b) No
  35. 35.Is 1/3 in its simplest form? (a) No (b) Yes
  36. 36.Is 9/10 in its simplest form? (a) Yes (b) No
  37. 37.Write 4/10 in its simplest form. =
  38. 38.What is the HCF of 5 and 40?
  39. 39.Is 3/10 in its simplest form? (a) No (b) Yes
  40. 40.Write 28/36 in its simplest form. =

Answer key

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

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