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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 268 · 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 35 and 42?
  2. 2.Write 9/30 in its simplest form. =
  3. 3.Write 24/30 in its simplest form. =
  4. 4.What is the HCF of 32 and 36?
  5. 5.What is the HCF of 24 and 54?
  6. 6.Is 30/54 in its simplest form? (a) No (b) Yes
  7. 7.Write 10/16 in its simplest form. =
  8. 8.Is 12/30 in its simplest form? (a) Yes (b) No
  9. 9.Write 3/18 in its simplest form. =
  10. 10.Write 42/60 in its simplest form. =
  11. 11.What is the HCF of 4 and 32?
  12. 12.What is the HCF of 18 and 60?
  13. 13.What is the HCF of 21 and 49?
  14. 14.What is the HCF of 6 and 16?
  15. 15.Write 15/27 in its simplest form. =
  16. 16.Is 3/10 in its simplest form? (a) Yes (b) No
  17. 17.Write 12/21 in its simplest form. =
  18. 18.Write 12/16 in its simplest form. =
  19. 19.What is the HCF of 12 and 16?
  20. 20.Write 40/48 in its simplest form. =
  21. 21.What is the HCF of 12 and 40?
  22. 22.What is the HCF of 12 and 15?
  23. 23.Is 7/10 in its simplest form? (a) Yes (b) No
  24. 24.Is 3/4 in its simplest form? (a) Yes (b) No
  25. 25.Write 7/35 in its simplest form. =
  26. 26.Is 2/10 in its simplest form? (a) No (b) Yes
  27. 27.Write 21/24 in its simplest form. =
  28. 28.Write 14/49 in its simplest form. =
  29. 29.Write 2/6 in its simplest form. =
  30. 30.What is the HCF of 49 and 63?
  31. 31.Write 7/49 in its simplest form. =
  32. 32.What is the HCF of 28 and 32?
  33. 33.Write 9/54 in its simplest form. =
  34. 34.Write 42/49 in its simplest form. =
  35. 35.Write 2/20 in its simplest form. =
  36. 36.Write 12/20 in its simplest form. =
  37. 37.What is the HCF of 6 and 27?
  38. 38.What is the HCF of 7 and 63?
  39. 39.What is the HCF of 16 and 18?
  40. 40.Is 5/25 in its simplest form? (a) Yes (b) No

Answer key

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

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