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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 873 · 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 6/30 in its simplest form. =
  2. 2.Write 36/63 in its simplest form. =
  3. 3.What is the HCF of 4 and 14?
  4. 4.Is 3/8 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 48 and 54?
  6. 6.Is 2/12 in its simplest form? (a) No (b) Yes
  7. 7.Is 4/14 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 2 and 6?
  9. 9.Is 5/6 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 18 and 27?
  11. 11.Write 32/40 in its simplest form. =
  12. 12.What is the HCF of 18 and 63?
  13. 13.Write 3/21 in its simplest form. =
  14. 14.Is 3/24 in its simplest form? (a) No (b) Yes
  15. 15.Is 12/40 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 40 and 64?
  17. 17.Write 3/9 in its simplest form. =
  18. 18.Is 6/8 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 27 and 63?
  20. 20.Write 8/20 in its simplest form. =
  21. 21.Write 6/12 in its simplest form. =
  22. 22.What is the HCF of 6 and 27?
  23. 23.What is the HCF of 4 and 10?
  24. 24.What is the HCF of 10 and 25?
  25. 25.Is 2/20 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 40 and 72?
  27. 27.Write 18/27 in its simplest form. =
  28. 28.Write 9/15 in its simplest form. =
  29. 29.Write 48/54 in its simplest form. =
  30. 30.Write 42/60 in its simplest form. =
  31. 31.Is 3/4 in its simplest form? (a) No (b) Yes
  32. 32.Write 30/36 in its simplest form. =
  33. 33.Write 2/18 in its simplest form. =
  34. 34.What is the HCF of 32 and 40?
  35. 35.Write 36/42 in its simplest form. =
  36. 36.Is 4/7 in its simplest form? (a) No (b) Yes
  37. 37.Is 45/50 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 5 and 10?
  39. 39.Is 6/60 in its simplest form? (a) Yes (b) No
  40. 40.Write 12/16 in its simplest form. =

Answer key

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

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