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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 19 · 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 30/36 in its simplest form? (a) Yes (b) No
  2. 2.Is 9/10 in its simplest form? (a) Yes (b) No
  3. 3.Is 5/6 in its simplest form? (a) Yes (b) No
  4. 4.Is 6/9 in its simplest form? (a) No (b) Yes
  5. 5.Write 6/16 in its simplest form. =
  6. 6.What is the HCF of 6 and 20?
  7. 7.Is 8/9 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 21 and 49?
  9. 9.What is the HCF of 8 and 20?
  10. 10.Is 3/10 in its simplest form? (a) No (b) Yes
  11. 11.Is 2/8 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 9 and 15?
  13. 13.Write 28/32 in its simplest form. =
  14. 14.Is 4/5 in its simplest form? (a) No (b) Yes
  15. 15.Write 49/70 in its simplest form. =
  16. 16.Is 3/9 in its simplest form? (a) No (b) Yes
  17. 17.Is 21/24 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 2 and 6?
  19. 19.What is the HCF of 18 and 63?
  20. 20.Is 5/9 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 27 and 36?
  22. 22.Is 7/10 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 8 and 10?
  24. 24.Is 1/8 in its simplest form? (a) No (b) Yes
  25. 25.Write 32/56 in its simplest form. =
  26. 26.Write 8/24 in its simplest form. =
  27. 27.Write 6/12 in its simplest form. =
  28. 28.What is the HCF of 5 and 15?
  29. 29.Is 6/8 in its simplest form? (a) No (b) Yes
  30. 30.Write 8/32 in its simplest form. =
  31. 31.Is 6/7 in its simplest form? (a) No (b) Yes
  32. 32.Write 2/14 in its simplest form. =
  33. 33.What is the HCF of 2 and 4?
  34. 34.Write 9/36 in its simplest form. =
  35. 35.Is 15/24 in its simplest form? (a) No (b) Yes
  36. 36.Write 42/48 in its simplest form. =
  37. 37.What is the HCF of 18 and 81?
  38. 38.What is the HCF of 4 and 32?
  39. 39.What is the HCF of 14 and 20?
  40. 40.Is 2/4 in its simplest form? (a) No (b) Yes

Answer key

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

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