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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 348 · 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 2/10 in its simplest form? (a) Yes (b) No
  2. 2.Write 18/24 in its simplest form. =
  3. 3.Write 4/18 in its simplest form. =
  4. 4.Write 7/42 in its simplest form. =
  5. 5.Write 8/36 in its simplest form. =
  6. 6.What is the HCF of 42 and 54?
  7. 7.Is 5/9 in its simplest form? (a) Yes (b) No
  8. 8.Is 3/4 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 4 and 14?
  10. 10.Write 6/27 in its simplest form. =
  11. 11.Is 1/3 in its simplest form? (a) Yes (b) No
  12. 12.Write 3/9 in its simplest form. =
  13. 13.Write 3/6 in its simplest form. =
  14. 14.Write 21/49 in its simplest form. =
  15. 15.Write 6/15 in its simplest form. =
  16. 16.What is the HCF of 3 and 24?
  17. 17.What is the HCF of 10 and 15?
  18. 18.Is 36/40 in its simplest form? (a) No (b) Yes
  19. 19.Write 8/56 in its simplest form. =
  20. 20.Is 7/10 in its simplest form? (a) Yes (b) No
  21. 21.Write 9/18 in its simplest form. =
  22. 22.Is 4/24 in its simplest form? (a) No (b) Yes
  23. 23.Write 20/24 in its simplest form. =
  24. 24.Is 3/6 in its simplest form? (a) No (b) Yes
  25. 25.Write 56/63 in its simplest form. =
  26. 26.Is 4/10 in its simplest form? (a) No (b) Yes
  27. 27.Is 9/10 in its simplest form? (a) No (b) Yes
  28. 28.Is 10/15 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 6 and 9?
  30. 30.What is the HCF of 21 and 49?
  31. 31.Is 2/12 in its simplest form? (a) Yes (b) No
  32. 32.Write 12/27 in its simplest form. =
  33. 33.Is 8/36 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 15 and 20?
  35. 35.What is the HCF of 21 and 56?
  36. 36.Write 27/72 in its simplest form. =
  37. 37.What is the HCF of 7 and 42?
  38. 38.What is the HCF of 64 and 72?
  39. 39.Is 5/20 in its simplest form? (a) Yes (b) No
  40. 40.Write 6/48 in its simplest form. =

Answer key

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

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