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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 843 · 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 6/18 in its simplest form. =
  2. 2.Is 2/3 in its simplest form? (a) Yes (b) No
  3. 3.Write 3/18 in its simplest form. =
  4. 4.What is the HCF of 8 and 12?
  5. 5.What is the HCF of 4 and 36?
  6. 6.What is the HCF of 12 and 40?
  7. 7.Write 56/63 in its simplest form. =
  8. 8.What is the HCF of 12 and 27?
  9. 9.Write 2/10 in its simplest form. =
  10. 10.What is the HCF of 7 and 21?
  11. 11.Is 5/9 in its simplest form? (a) No (b) Yes
  12. 12.Is 6/9 in its simplest form? (a) Yes (b) No
  13. 13.Is 18/48 in its simplest form? (a) Yes (b) No
  14. 14.Write 32/56 in its simplest form. =
  15. 15.Is 3/12 in its simplest form? (a) Yes (b) No
  16. 16.Is 7/10 in its simplest form? (a) Yes (b) No
  17. 17.Is 7/9 in its simplest form? (a) No (b) Yes
  18. 18.Is 54/60 in its simplest form? (a) No (b) Yes
  19. 19.Write 16/20 in its simplest form. =
  20. 20.What is the HCF of 2 and 14?
  21. 21.Is 4/36 in its simplest form? (a) No (b) Yes
  22. 22.Write 48/54 in its simplest form. =
  23. 23.What is the HCF of 2 and 16?
  24. 24.Write 3/27 in its simplest form. =
  25. 25.Write 10/18 in its simplest form. =
  26. 26.Is 9/30 in its simplest form? (a) No (b) Yes
  27. 27.Is 12/27 in its simplest form? (a) No (b) Yes
  28. 28.Write 18/60 in its simplest form. =
  29. 29.What is the HCF of 10 and 16?
  30. 30.What is the HCF of 16 and 36?
  31. 31.Is 15/20 in its simplest form? (a) Yes (b) No
  32. 32.Is 5/6 in its simplest form? (a) Yes (b) No
  33. 33.Is 12/16 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 15 and 35?
  35. 35.Write 9/24 in its simplest form. =
  36. 36.Is 3/9 in its simplest form? (a) No (b) Yes
  37. 37.Write 15/18 in its simplest form. =
  38. 38.Is 5/7 in its simplest form? (a) No (b) Yes
  39. 39.Write 4/18 in its simplest form. =
  40. 40.Is 4/20 in its simplest form? (a) No (b) Yes

Answer key

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

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