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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 794 · 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 6/10 in its simplest form. =
  2. 2.Write 3/9 in its simplest form. =
  3. 3.Is 1/9 in its simplest form? (a) No (b) Yes
  4. 4.Write 9/36 in its simplest form. =
  5. 5.Write 21/28 in its simplest form. =
  6. 6.Write 24/32 in its simplest form. =
  7. 7.Is 18/48 in its simplest form? (a) No (b) Yes
  8. 8.Is 18/20 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 14 and 21?
  10. 10.Write 15/40 in its simplest form. =
  11. 11.What is the HCF of 15 and 27?
  12. 12.Is 5/50 in its simplest form? (a) Yes (b) No
  13. 13.Is 30/35 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 4 and 28?
  15. 15.What is the HCF of 24 and 28?
  16. 16.What is the HCF of 24 and 42?
  17. 17.What is the HCF of 12 and 14?
  18. 18.Is 2/7 in its simplest form? (a) Yes (b) No
  19. 19.Is 8/20 in its simplest form? (a) Yes (b) No
  20. 20.Is 16/18 in its simplest form? (a) No (b) Yes
  21. 21.Write 54/63 in its simplest form. =
  22. 22.Is 6/9 in its simplest form? (a) No (b) Yes
  23. 23.Write 16/18 in its simplest form. =
  24. 24.Is 2/3 in its simplest form? (a) No (b) Yes
  25. 25.Is 7/8 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 3 and 6?
  27. 27.Is 3/8 in its simplest form? (a) No (b) Yes
  28. 28.Is 4/5 in its simplest form? (a) Yes (b) No
  29. 29.Is 4/10 in its simplest form? (a) No (b) Yes
  30. 30.Is 4/18 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 8 and 14?
  32. 32.Write 9/18 in its simplest form. =
  33. 33.Write 16/36 in its simplest form. =
  34. 34.Write 3/18 in its simplest form. =
  35. 35.Write 40/72 in its simplest form. =
  36. 36.Is 2/14 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 8 and 36?
  38. 38.Is 2/12 in its simplest form? (a) No (b) Yes
  39. 39.Write 8/16 in its simplest form. =
  40. 40.What is the HCF of 9 and 30?

Answer key

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

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