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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 919 · 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.What is the HCF of 16 and 28?
  2. 2.Is 1/4 in its simplest form? (a) No (b) Yes
  3. 3.Is 4/16 in its simplest form? (a) No (b) Yes
  4. 4.Is 25/35 in its simplest form? (a) No (b) Yes
  5. 5.What is the HCF of 15 and 18?
  6. 6.Is 8/36 in its simplest form? (a) Yes (b) No
  7. 7.Is 10/14 in its simplest form? (a) Yes (b) No
  8. 8.Is 6/21 in its simplest form? (a) Yes (b) No
  9. 9.Write 14/18 in its simplest form. =
  10. 10.What is the HCF of 8 and 18?
  11. 11.Write 9/36 in its simplest form. =
  12. 12.What is the HCF of 15 and 21?
  13. 13.Write 12/30 in its simplest form. =
  14. 14.What is the HCF of 24 and 32?
  15. 15.Write 18/30 in its simplest form. =
  16. 16.Write 30/35 in its simplest form. =
  17. 17.What is the HCF of 6 and 48?
  18. 18.Write 28/35 in its simplest form. =
  19. 19.Is 6/27 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 5 and 10?
  21. 21.Write 5/20 in its simplest form. =
  22. 22.Is 5/8 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 6 and 9?
  24. 24.Is 12/16 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 3 and 12?
  26. 26.What is the HCF of 7 and 42?
  27. 27.Is 2/10 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 16 and 36?
  29. 29.Is 9/12 in its simplest form? (a) No (b) Yes
  30. 30.Is 3/8 in its simplest form? (a) No (b) Yes
  31. 31.Write 4/18 in its simplest form. =
  32. 32.Write 16/24 in its simplest form. =
  33. 33.What is the HCF of 8 and 64?
  34. 34.Write 6/60 in its simplest form. =
  35. 35.Write 15/40 in its simplest form. =
  36. 36.What is the HCF of 9 and 12?
  37. 37.Is 1/2 in its simplest form? (a) Yes (b) No
  38. 38.Write 20/28 in its simplest form. =
  39. 39.Write 16/40 in its simplest form. =
  40. 40.Is 8/12 in its simplest form? (a) Yes (b) No

Answer key

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

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