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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 744 · 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.Is 8/9 in its simplest form? (a) Yes (b) No
  2. 2.Write 35/40 in its simplest form. =
  3. 3.Is 16/20 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 6 and 20?
  5. 5.What is the HCF of 9 and 36?
  6. 6.What is the HCF of 32 and 36?
  7. 7.Write 15/40 in its simplest form. =
  8. 8.What is the HCF of 20 and 32?
  9. 9.Is 1/8 in its simplest form? (a) No (b) Yes
  10. 10.Is 1/2 in its simplest form? (a) No (b) Yes
  11. 11.Is 54/60 in its simplest form? (a) No (b) Yes
  12. 12.Is 9/12 in its simplest form? (a) No (b) Yes
  13. 13.Write 40/56 in its simplest form. =
  14. 14.Is 42/60 in its simplest form? (a) Yes (b) No
  15. 15.Write 12/32 in its simplest form. =
  16. 16.Write 7/28 in its simplest form. =
  17. 17.Write 56/72 in its simplest form. =
  18. 18.What is the HCF of 10 and 18?
  19. 19.What is the HCF of 28 and 40?
  20. 20.What is the HCF of 15 and 50?
  21. 21.What is the HCF of 7 and 70?
  22. 22.What is the HCF of 12 and 30?
  23. 23.What is the HCF of 8 and 56?
  24. 24.Write 6/12 in its simplest form. =
  25. 25.Write 24/30 in its simplest form. =
  26. 26.Is 1/9 in its simplest form? (a) No (b) Yes
  27. 27.Is 2/6 in its simplest form? (a) Yes (b) No
  28. 28.Write 6/42 in its simplest form. =
  29. 29.What is the HCF of 5 and 20?
  30. 30.Write 8/32 in its simplest form. =
  31. 31.What is the HCF of 32 and 40?
  32. 32.Is 6/8 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 4 and 14?
  34. 34.What is the HCF of 5 and 40?
  35. 35.What is the HCF of 21 and 49?
  36. 36.Write 15/20 in its simplest form. =
  37. 37.What is the HCF of 6 and 42?
  38. 38.Is 6/7 in its simplest form? (a) Yes (b) No
  39. 39.Is 24/42 in its simplest form? (a) Yes (b) No
  40. 40.What is the HCF of 35 and 42?

Answer key

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

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