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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 685 · 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 3/4 in its simplest form? (a) Yes (b) No
  2. 2.Is 2/7 in its simplest form? (a) Yes (b) No
  3. 3.Write 45/81 in its simplest form. =
  4. 4.Is 1/5 in its simplest form? (a) No (b) Yes
  5. 5.Write 12/20 in its simplest form. =
  6. 6.What is the HCF of 25 and 30?
  7. 7.What is the HCF of 36 and 40?
  8. 8.Is 7/8 in its simplest form? (a) Yes (b) No
  9. 9.Is 54/60 in its simplest form? (a) Yes (b) No
  10. 10.Is 2/6 in its simplest form? (a) No (b) Yes
  11. 11.Write 6/8 in its simplest form. =
  12. 12.Write 25/40 in its simplest form. =
  13. 13.Write 4/8 in its simplest form. =
  14. 14.Is 14/16 in its simplest form? (a) No (b) Yes
  15. 15.Is 10/15 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 35 and 45?
  17. 17.Write 16/56 in its simplest form. =
  18. 18.Write 18/24 in its simplest form. =
  19. 19.What is the HCF of 10 and 35?
  20. 20.Write 21/24 in its simplest form. =
  21. 21.What is the HCF of 32 and 40?
  22. 22.What is the HCF of 15 and 35?
  23. 23.Write 35/50 in its simplest form. =
  24. 24.Is 6/7 in its simplest form? (a) No (b) Yes
  25. 25.Is 15/40 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 9 and 45?
  27. 27.What is the HCF of 36 and 63?
  28. 28.What is the HCF of 25 and 35?
  29. 29.Is 2/20 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 2 and 8?
  31. 31.What is the HCF of 20 and 28?
  32. 32.Is 16/20 in its simplest form? (a) No (b) Yes
  33. 33.Write 14/35 in its simplest form. =
  34. 34.What is the HCF of 24 and 42?
  35. 35.Write 15/18 in its simplest form. =
  36. 36.Is 4/7 in its simplest form? (a) No (b) Yes
  37. 37.Is 1/9 in its simplest form? (a) Yes (b) No
  38. 38.Write 27/45 in its simplest form. =
  39. 39.Is 4/9 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 6 and 24?

Answer key

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

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