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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 895 · 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 2/10 in its simplest form. =
  2. 2.Write 28/35 in its simplest form. =
  3. 3.Write 6/12 in its simplest form. =
  4. 4.What is the HCF of 21 and 28?
  5. 5.Write 8/28 in its simplest form. =
  6. 6.Is 10/14 in its simplest form? (a) Yes (b) No
  7. 7.Is 7/8 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 7 and 21?
  9. 9.Write 30/35 in its simplest form. =
  10. 10.What is the HCF of 6 and 9?
  11. 11.Write 35/42 in its simplest form. =
  12. 12.Is 24/27 in its simplest form? (a) No (b) Yes
  13. 13.Write 7/21 in its simplest form. =
  14. 14.Is 6/48 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 10 and 14?
  16. 16.What is the HCF of 35 and 40?
  17. 17.Is 1/8 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 15 and 40?
  19. 19.Write 48/56 in its simplest form. =
  20. 20.Is 2/12 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 6 and 42?
  22. 22.What is the HCF of 3 and 12?
  23. 23.What is the HCF of 7 and 14?
  24. 24.What is the HCF of 32 and 40?
  25. 25.Is 1/5 in its simplest form? (a) Yes (b) No
  26. 26.Is 4/18 in its simplest form? (a) Yes (b) No
  27. 27.Is 21/30 in its simplest form? (a) No (b) Yes
  28. 28.Is 12/42 in its simplest form? (a) No (b) Yes
  29. 29.Is 1/3 in its simplest form? (a) Yes (b) No
  30. 30.Write 3/6 in its simplest form. =
  31. 31.What is the HCF of 42 and 54?
  32. 32.What is the HCF of 4 and 36?
  33. 33.Write 10/12 in its simplest form. =
  34. 34.Write 6/27 in its simplest form. =
  35. 35.Write 6/21 in its simplest form. =
  36. 36.Write 15/25 in its simplest form. =
  37. 37.Is 6/54 in its simplest form? (a) Yes (b) No
  38. 38.Is 6/7 in its simplest form? (a) No (b) Yes
  39. 39.Write 10/25 in its simplest form. =
  40. 40.What is the HCF of 7 and 42?

Answer key

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

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