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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 193 · 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 40/56 in its simplest form. =
  2. 2.What is the HCF of 8 and 18?
  3. 3.Is 10/35 in its simplest form? (a) Yes (b) No
  4. 4.Is 8/36 in its simplest form? (a) No (b) Yes
  5. 5.Is 6/48 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 24 and 80?
  7. 7.Write 9/30 in its simplest form. =
  8. 8.Write 30/35 in its simplest form. =
  9. 9.What is the HCF of 27 and 30?
  10. 10.Write 2/8 in its simplest form. =
  11. 11.Is 20/36 in its simplest form? (a) No (b) Yes
  12. 12.Is 9/10 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 9 and 24?
  14. 14.Is 16/18 in its simplest form? (a) Yes (b) No
  15. 15.Is 2/5 in its simplest form? (a) Yes (b) No
  16. 16.Is 5/6 in its simplest form? (a) Yes (b) No
  17. 17.Write 2/12 in its simplest form. =
  18. 18.Is 2/12 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 6 and 24?
  20. 20.Write 4/24 in its simplest form. =
  21. 21.What is the HCF of 8 and 40?
  22. 22.What is the HCF of 8 and 36?
  23. 23.Write 3/27 in its simplest form. =
  24. 24.Write 4/36 in its simplest form. =
  25. 25.Is 24/54 in its simplest form? (a) Yes (b) No
  26. 26.Is 3/7 in its simplest form? (a) Yes (b) No
  27. 27.Write 54/60 in its simplest form. =
  28. 28.Is 2/8 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 7 and 70?
  30. 30.Write 12/32 in its simplest form. =
  31. 31.What is the HCF of 2 and 10?
  32. 32.Is 18/24 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 21 and 35?
  34. 34.Write 35/40 in its simplest form. =
  35. 35.Is 6/30 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 24 and 32?
  37. 37.Write 6/15 in its simplest form. =
  38. 38.Write 6/16 in its simplest form. =
  39. 39.What is the HCF of 5 and 10?
  40. 40.What is the HCF of 24 and 64?

Answer key

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

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