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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 838 · 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 30/54 in its simplest form. =
  2. 2.Is 15/24 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 6 and 48?
  4. 4.Is 5/7 in its simplest form? (a) No (b) Yes
  5. 5.Is 7/8 in its simplest form? (a) Yes (b) No
  6. 6.Is 12/14 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 32 and 72?
  8. 8.What is the HCF of 6 and 21?
  9. 9.Is 1/2 in its simplest form? (a) No (b) Yes
  10. 10.Is 4/8 in its simplest form? (a) No (b) Yes
  11. 11.Write 7/56 in its simplest form. =
  12. 12.Is 2/5 in its simplest form? (a) Yes (b) No
  13. 13.Is 18/42 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 8 and 18?
  15. 15.What is the HCF of 8 and 24?
  16. 16.Write 21/30 in its simplest form. =
  17. 17.Is 1/3 in its simplest form? (a) No (b) Yes
  18. 18.Is 10/35 in its simplest form? (a) No (b) Yes
  19. 19.Write 24/56 in its simplest form. =
  20. 20.Is 5/30 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 4 and 10?
  22. 22.Is 4/24 in its simplest form? (a) Yes (b) No
  23. 23.Write 2/10 in its simplest form. =
  24. 24.What is the HCF of 63 and 72?
  25. 25.What is the HCF of 3 and 12?
  26. 26.What is the HCF of 45 and 81?
  27. 27.What is the HCF of 24 and 80?
  28. 28.Is 5/8 in its simplest form? (a) No (b) Yes
  29. 29.Write 9/45 in its simplest form. =
  30. 30.Write 56/80 in its simplest form. =
  31. 31.Write 3/9 in its simplest form. =
  32. 32.Is 1/4 in its simplest form? (a) No (b) Yes
  33. 33.Is 4/18 in its simplest form? (a) Yes (b) No
  34. 34.Write 3/30 in its simplest form. =
  35. 35.Write 25/35 in its simplest form. =
  36. 36.Is 4/14 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 24 and 64?
  38. 38.Write 10/12 in its simplest form. =
  39. 39.What is the HCF of 28 and 40?
  40. 40.Write 6/48 in its simplest form. =

Answer key

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

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