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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 398 · 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 6/9 in its simplest form. =
  2. 2.What is the HCF of 5 and 35?
  3. 3.Is 2/7 in its simplest form? (a) Yes (b) No
  4. 4.Is 5/6 in its simplest form? (a) No (b) Yes
  5. 5.Write 16/18 in its simplest form. =
  6. 6.Write 7/14 in its simplest form. =
  7. 7.Is 16/36 in its simplest form? (a) No (b) Yes
  8. 8.Write 35/56 in its simplest form. =
  9. 9.Write 18/20 in its simplest form. =
  10. 10.Is 7/10 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 16 and 56?
  12. 12.What is the HCF of 8 and 28?
  13. 13.What is the HCF of 32 and 56?
  14. 14.Is 1/4 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 6 and 10?
  16. 16.Write 5/25 in its simplest form. =
  17. 17.Is 3/10 in its simplest form? (a) Yes (b) No
  18. 18.Write 56/72 in its simplest form. =
  19. 19.Write 30/35 in its simplest form. =
  20. 20.Write 24/64 in its simplest form. =
  21. 21.Write 9/18 in its simplest form. =
  22. 22.Is 25/30 in its simplest form? (a) No (b) Yes
  23. 23.Is 9/30 in its simplest form? (a) Yes (b) No
  24. 24.Write 35/50 in its simplest form. =
  25. 25.Is 20/25 in its simplest form? (a) No (b) Yes
  26. 26.Write 6/18 in its simplest form. =
  27. 27.What is the HCF of 16 and 24?
  28. 28.Is 1/5 in its simplest form? (a) Yes (b) No
  29. 29.Write 45/54 in its simplest form. =
  30. 30.Is 1/10 in its simplest form? (a) No (b) Yes
  31. 31.Is 6/48 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 18 and 24?
  33. 33.What is the HCF of 3 and 12?
  34. 34.What is the HCF of 42 and 54?
  35. 35.Write 18/24 in its simplest form. =
  36. 36.Write 10/15 in its simplest form. =
  37. 37.Is 15/40 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 6 and 20?
  39. 39.Is 3/8 in its simplest form? (a) No (b) Yes
  40. 40.Write 20/32 in its simplest form. =

Answer key

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

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