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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 351 · 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 2/18 in its simplest form. =
  2. 2.What is the HCF of 20 and 24?
  3. 3.What is the HCF of 8 and 32?
  4. 4.Write 35/56 in its simplest form. =
  5. 5.What is the HCF of 4 and 20?
  6. 6.What is the HCF of 6 and 20?
  7. 7.Write 8/18 in its simplest form. =
  8. 8.What is the HCF of 21 and 24?
  9. 9.What is the HCF of 12 and 30?
  10. 10.Is 6/14 in its simplest form? (a) Yes (b) No
  11. 11.Is 5/6 in its simplest form? (a) No (b) Yes
  12. 12.Write 9/18 in its simplest form. =
  13. 13.Is 25/30 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 12 and 18?
  15. 15.Write 20/24 in its simplest form. =
  16. 16.Write 6/20 in its simplest form. =
  17. 17.Is 4/6 in its simplest form? (a) No (b) Yes
  18. 18.Write 35/63 in its simplest form. =
  19. 19.What is the HCF of 12 and 54?
  20. 20.Write 27/45 in its simplest form. =
  21. 21.Write 10/12 in its simplest form. =
  22. 22.Is 3/4 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 16 and 24?
  24. 24.Write 45/63 in its simplest form. =
  25. 25.What is the HCF of 40 and 48?
  26. 26.Write 9/63 in its simplest form. =
  27. 27.What is the HCF of 10 and 45?
  28. 28.Write 28/36 in its simplest form. =
  29. 29.What is the HCF of 8 and 80?
  30. 30.What is the HCF of 48 and 54?
  31. 31.Write 35/45 in its simplest form. =
  32. 32.Is 1/8 in its simplest form? (a) Yes (b) No
  33. 33.Is 10/45 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 6 and 9?
  35. 35.Write 21/70 in its simplest form. =
  36. 36.Is 2/3 in its simplest form? (a) Yes (b) No
  37. 37.Write 6/30 in its simplest form. =
  38. 38.What is the HCF of 14 and 20?
  39. 39.What is the HCF of 56 and 80?
  40. 40.What is the HCF of 2 and 4?

Answer key

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

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