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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 315 · 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 8/20 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 20 and 32?
  3. 3.Is 4/5 in its simplest form? (a) Yes (b) No
  4. 4.Is 2/9 in its simplest form? (a) No (b) Yes
  5. 5.Is 6/15 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 2 and 8?
  7. 7.Is 4/32 in its simplest form? (a) Yes (b) No
  8. 8.Write 42/60 in its simplest form. =
  9. 9.Write 81/90 in its simplest form. =
  10. 10.Is 6/48 in its simplest form? (a) Yes (b) No
  11. 11.Is 12/18 in its simplest form? (a) Yes (b) No
  12. 12.Write 3/12 in its simplest form. =
  13. 13.What is the HCF of 8 and 14?
  14. 14.Write 25/30 in its simplest form. =
  15. 15.Write 4/18 in its simplest form. =
  16. 16.What is the HCF of 35 and 50?
  17. 17.What is the HCF of 30 and 42?
  18. 18.Write 63/72 in its simplest form. =
  19. 19.Write 8/32 in its simplest form. =
  20. 20.What is the HCF of 42 and 60?
  21. 21.Is 9/24 in its simplest form? (a) No (b) Yes
  22. 22.Is 3/12 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 6 and 8?
  24. 24.Write 27/30 in its simplest form. =
  25. 25.Write 25/40 in its simplest form. =
  26. 26.Is 2/5 in its simplest form? (a) Yes (b) No
  27. 27.Is 24/42 in its simplest form? (a) Yes (b) No
  28. 28.Is 4/9 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 8 and 24?
  30. 30.What is the HCF of 4 and 8?
  31. 31.Is 4/10 in its simplest form? (a) No (b) Yes
  32. 32.Is 1/4 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 27 and 36?
  34. 34.Write 48/54 in its simplest form. =
  35. 35.Write 7/28 in its simplest form. =
  36. 36.What is the HCF of 6 and 20?
  37. 37.Is 12/30 in its simplest form? (a) No (b) Yes
  38. 38.Write 2/10 in its simplest form. =
  39. 39.Write 6/20 in its simplest form. =
  40. 40.Is 5/6 in its simplest form? (a) No (b) Yes

Answer key

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

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