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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 849 · 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 8/24 in its simplest form. =
  2. 2.Is 9/10 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 15 and 25?
  4. 4.Write 4/40 in its simplest form. =
  5. 5.Is 3/10 in its simplest form? (a) Yes (b) No
  6. 6.Is 4/10 in its simplest form? (a) Yes (b) No
  7. 7.Write 7/49 in its simplest form. =
  8. 8.Write 3/18 in its simplest form. =
  9. 9.Write 12/20 in its simplest form. =
  10. 10.What is the HCF of 10 and 18?
  11. 11.Write 12/28 in its simplest form. =
  12. 12.What is the HCF of 8 and 10?
  13. 13.What is the HCF of 35 and 56?
  14. 14.Write 4/28 in its simplest form. =
  15. 15.Write 4/36 in its simplest form. =
  16. 16.Write 32/40 in its simplest form. =
  17. 17.Is 9/15 in its simplest form? (a) Yes (b) No
  18. 18.Is 8/12 in its simplest form? (a) Yes (b) No
  19. 19.Write 12/16 in its simplest form. =
  20. 20.Write 15/50 in its simplest form. =
  21. 21.Write 6/21 in its simplest form. =
  22. 22.What is the HCF of 36 and 42?
  23. 23.Is 6/36 in its simplest form? (a) No (b) Yes
  24. 24.Write 18/60 in its simplest form. =
  25. 25.What is the HCF of 30 and 35?
  26. 26.Is 5/25 in its simplest form? (a) No (b) Yes
  27. 27.Write 2/4 in its simplest form. =
  28. 28.What is the HCF of 42 and 49?
  29. 29.What is the HCF of 7 and 42?
  30. 30.Is 3/27 in its simplest form? (a) Yes (b) No
  31. 31.Write 28/49 in its simplest form. =
  32. 32.What is the HCF of 32 and 40?
  33. 33.Write 9/18 in its simplest form. =
  34. 34.What is the HCF of 20 and 35?
  35. 35.Write 49/70 in its simplest form. =
  36. 36.Write 25/40 in its simplest form. =
  37. 37.Is 1/6 in its simplest form? (a) No (b) Yes
  38. 38.Write 2/6 in its simplest form. =
  39. 39.Write 5/30 in its simplest form. =
  40. 40.Write 28/36 in its simplest form. =

Answer key

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

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