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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 652 · 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 3/12 in its simplest form. =
  2. 2.Is 2/5 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 4 and 12?
  4. 4.Is 24/28 in its simplest form? (a) Yes (b) No
  5. 5.Write 42/60 in its simplest form. =
  6. 6.Write 27/90 in its simplest form. =
  7. 7.Write 6/9 in its simplest form. =
  8. 8.Is 1/4 in its simplest form? (a) No (b) Yes
  9. 9.Is 8/9 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 12 and 27?
  11. 11.Write 18/63 in its simplest form. =
  12. 12.Is 5/10 in its simplest form? (a) Yes (b) No
  13. 13.Is 6/36 in its simplest form? (a) No (b) Yes
  14. 14.Write 8/48 in its simplest form. =
  15. 15.What is the HCF of 14 and 16?
  16. 16.Is 1/7 in its simplest form? (a) No (b) Yes
  17. 17.Write 9/27 in its simplest form. =
  18. 18.Write 4/16 in its simplest form. =
  19. 19.What is the HCF of 3 and 9?
  20. 20.What is the HCF of 18 and 30?
  21. 21.Is 6/8 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 40 and 56?
  23. 23.Is 12/14 in its simplest form? (a) Yes (b) No
  24. 24.Write 12/30 in its simplest form. =
  25. 25.Write 45/63 in its simplest form. =
  26. 26.Is 12/42 in its simplest form? (a) Yes (b) No
  27. 27.Write 16/56 in its simplest form. =
  28. 28.Write 2/10 in its simplest form. =
  29. 29.What is the HCF of 18 and 20?
  30. 30.Write 10/45 in its simplest form. =
  31. 31.What is the HCF of 3 and 15?
  32. 32.Write 3/24 in its simplest form. =
  33. 33.Write 56/63 in its simplest form. =
  34. 34.Is 20/45 in its simplest form? (a) Yes (b) No
  35. 35.Is 6/16 in its simplest form? (a) No (b) Yes
  36. 36.Write 15/35 in its simplest form. =
  37. 37.Write 18/24 in its simplest form. =
  38. 38.Is 1/9 in its simplest form? (a) No (b) Yes
  39. 39.Write 42/48 in its simplest form. =
  40. 40.Write 36/63 in its simplest form. =

Answer key

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

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