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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 952 · 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 3 and 30?
  2. 2.Write 24/27 in its simplest form. =
  3. 3.What is the HCF of 24 and 30?
  4. 4.What is the HCF of 12 and 27?
  5. 5.What is the HCF of 12 and 16?
  6. 6.What is the HCF of 9 and 45?
  7. 7.What is the HCF of 35 and 40?
  8. 8.What is the HCF of 3 and 6?
  9. 9.Is 2/3 in its simplest form? (a) Yes (b) No
  10. 10.Is 8/9 in its simplest form? (a) No (b) Yes
  11. 11.Is 15/18 in its simplest form? (a) No (b) Yes
  12. 12.Write 28/35 in its simplest form. =
  13. 13.What is the HCF of 8 and 28?
  14. 14.Is 3/6 in its simplest form? (a) Yes (b) No
  15. 15.Is 4/28 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 7 and 49?
  17. 17.Is 4/5 in its simplest form? (a) Yes (b) No
  18. 18.Write 10/12 in its simplest form. =
  19. 19.What is the HCF of 8 and 20?
  20. 20.What is the HCF of 54 and 63?
  21. 21.What is the HCF of 21 and 27?
  22. 22.Is 1/6 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 16 and 40?
  24. 24.What is the HCF of 7 and 21?
  25. 25.What is the HCF of 7 and 56?
  26. 26.Write 36/40 in its simplest form. =
  27. 27.Write 8/18 in its simplest form. =
  28. 28.Write 56/63 in its simplest form. =
  29. 29.What is the HCF of 6 and 8?
  30. 30.Write 42/60 in its simplest form. =
  31. 31.Write 3/6 in its simplest form. =
  32. 32.What is the HCF of 3 and 12?
  33. 33.Write 3/27 in its simplest form. =
  34. 34.Write 2/20 in its simplest form. =
  35. 35.What is the HCF of 35 and 49?
  36. 36.Is 3/27 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 18 and 27?
  38. 38.What is the HCF of 24 and 80?
  39. 39.Is 3/7 in its simplest form? (a) Yes (b) No
  40. 40.Write 24/30 in its simplest form. =

Answer key

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

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