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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 371 · 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 15/27 in its simplest form? (a) No (b) Yes
  2. 2.Write 2/8 in its simplest form. =
  3. 3.Write 5/10 in its simplest form. =
  4. 4.Write 15/24 in its simplest form. =
  5. 5.What is the HCF of 36 and 40?
  6. 6.Write 42/48 in its simplest form. =
  7. 7.Is 30/36 in its simplest form? (a) No (b) Yes
  8. 8.Is 7/9 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 12 and 32?
  10. 10.Is 5/9 in its simplest form? (a) Yes (b) No
  11. 11.Write 7/56 in its simplest form. =
  12. 12.Is 1/9 in its simplest form? (a) No (b) Yes
  13. 13.Is 54/60 in its simplest form? (a) No (b) Yes
  14. 14.Write 14/20 in its simplest form. =
  15. 15.Write 6/24 in its simplest form. =
  16. 16.Write 24/40 in its simplest form. =
  17. 17.What is the HCF of 6 and 8?
  18. 18.What is the HCF of 2 and 20?
  19. 19.Is 5/8 in its simplest form? (a) No (b) Yes
  20. 20.Write 10/16 in its simplest form. =
  21. 21.Write 16/36 in its simplest form. =
  22. 22.What is the HCF of 14 and 20?
  23. 23.What is the HCF of 8 and 14?
  24. 24.Is 1/5 in its simplest form? (a) Yes (b) No
  25. 25.Write 54/63 in its simplest form. =
  26. 26.What is the HCF of 8 and 24?
  27. 27.Is 3/7 in its simplest form? (a) Yes (b) No
  28. 28.Is 1/7 in its simplest form? (a) No (b) Yes
  29. 29.What is the HCF of 24 and 32?
  30. 30.Write 6/16 in its simplest form. =
  31. 31.Write 6/10 in its simplest form. =
  32. 32.Write 28/49 in its simplest form. =
  33. 33.Is 12/32 in its simplest form? (a) Yes (b) No
  34. 34.Write 8/72 in its simplest form. =
  35. 35.Write 3/12 in its simplest form. =
  36. 36.Write 18/24 in its simplest form. =
  37. 37.Write 20/32 in its simplest form. =
  38. 38.Write 4/16 in its simplest form. =
  39. 39.Is 4/5 in its simplest form? (a) Yes (b) No
  40. 40.What is the HCF of 18 and 20?

Answer key

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

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