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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 743 · 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 8 and 36?
  2. 2.Write 16/72 in its simplest form. =
  3. 3.Write 14/18 in its simplest form. =
  4. 4.Write 24/64 in its simplest form. =
  5. 5.What is the HCF of 42 and 48?
  6. 6.What is the HCF of 56 and 72?
  7. 7.What is the HCF of 9 and 63?
  8. 8.What is the HCF of 2 and 18?
  9. 9.Write 5/10 in its simplest form. =
  10. 10.Write 15/18 in its simplest form. =
  11. 11.Is 10/45 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 25 and 45?
  13. 13.Is 5/25 in its simplest form? (a) Yes (b) No
  14. 14.Write 18/24 in its simplest form. =
  15. 15.Write 8/16 in its simplest form. =
  16. 16.What is the HCF of 4 and 20?
  17. 17.Write 21/56 in its simplest form. =
  18. 18.What is the HCF of 12 and 15?
  19. 19.Write 42/48 in its simplest form. =
  20. 20.Is 21/27 in its simplest form? (a) Yes (b) No
  21. 21.Is 35/40 in its simplest form? (a) Yes (b) No
  22. 22.Is 18/21 in its simplest form? (a) No (b) Yes
  23. 23.Is 6/7 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 30 and 54?
  25. 25.What is the HCF of 24 and 27?
  26. 26.Write 8/14 in its simplest form. =
  27. 27.What is the HCF of 30 and 42?
  28. 28.Write 25/40 in its simplest form. =
  29. 29.Write 42/49 in its simplest form. =
  30. 30.What is the HCF of 25 and 40?
  31. 31.What is the HCF of 5 and 40?
  32. 32.What is the HCF of 9 and 54?
  33. 33.What is the HCF of 18 and 24?
  34. 34.What is the HCF of 14 and 35?
  35. 35.What is the HCF of 9 and 18?
  36. 36.What is the HCF of 9 and 24?
  37. 37.Is 6/16 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 54 and 63?
  39. 39.Is 3/10 in its simplest form? (a) Yes (b) No
  40. 40.Write 6/24 in its simplest form. =

Answer key

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

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