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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 755 · 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 10 and 14?
  2. 2.Is 2/7 in its simplest form? (a) No (b) Yes
  3. 3.Write 40/64 in its simplest form. =
  4. 4.What is the HCF of 8 and 24?
  5. 5.Write 18/20 in its simplest form. =
  6. 6.What is the HCF of 2 and 20?
  7. 7.Write 2/12 in its simplest form. =
  8. 8.Write 20/25 in its simplest form. =
  9. 9.What is the HCF of 63 and 81?
  10. 10.Is 2/20 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 20 and 28?
  12. 12.Write 36/40 in its simplest form. =
  13. 13.Write 12/28 in its simplest form. =
  14. 14.What is the HCF of 9 and 15?
  15. 15.Is 2/16 in its simplest form? (a) No (b) Yes
  16. 16.Write 28/35 in its simplest form. =
  17. 17.Is 1/6 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 49 and 56?
  19. 19.What is the HCF of 35 and 50?
  20. 20.Write 4/6 in its simplest form. =
  21. 21.Write 8/10 in its simplest form. =
  22. 22.Write 6/15 in its simplest form. =
  23. 23.Write 24/32 in its simplest form. =
  24. 24.Write 9/27 in its simplest form. =
  25. 25.Write 14/35 in its simplest form. =
  26. 26.Is 48/54 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 2 and 6?
  28. 28.Is 1/4 in its simplest form? (a) Yes (b) No
  29. 29.Write 16/20 in its simplest form. =
  30. 30.Write 3/6 in its simplest form. =
  31. 31.What is the HCF of 4 and 36?
  32. 32.Write 56/72 in its simplest form. =
  33. 33.Write 4/36 in its simplest form. =
  34. 34.Write 30/48 in its simplest form. =
  35. 35.Is 9/30 in its simplest form? (a) Yes (b) No
  36. 36.Is 5/9 in its simplest form? (a) No (b) Yes
  37. 37.Write 16/40 in its simplest form. =
  38. 38.Write 9/24 in its simplest form. =
  39. 39.What is the HCF of 9 and 90?
  40. 40.What is the HCF of 32 and 40?

Answer key

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

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