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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 293 · 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 12/40 in its simplest form? (a) Yes (b) No
  2. 2.Is 9/10 in its simplest form? (a) Yes (b) No
  3. 3.Is 2/5 in its simplest form? (a) No (b) Yes
  4. 4.Write 6/60 in its simplest form. =
  5. 5.What is the HCF of 20 and 36?
  6. 6.Write 8/24 in its simplest form. =
  7. 7.Write 35/49 in its simplest form. =
  8. 8.Write 5/30 in its simplest form. =
  9. 9.Write 18/81 in its simplest form. =
  10. 10.What is the HCF of 20 and 24?
  11. 11.What is the HCF of 18 and 42?
  12. 12.Is 18/21 in its simplest form? (a) No (b) Yes
  13. 13.Is 32/36 in its simplest form? (a) Yes (b) No
  14. 14.Write 12/27 in its simplest form. =
  15. 15.What is the HCF of 10 and 35?
  16. 16.What is the HCF of 49 and 63?
  17. 17.What is the HCF of 3 and 9?
  18. 18.What is the HCF of 4 and 10?
  19. 19.Is 8/28 in its simplest form? (a) No (b) Yes
  20. 20.Is 2/9 in its simplest form? (a) Yes (b) No
  21. 21.Write 8/16 in its simplest form. =
  22. 22.What is the HCF of 4 and 12?
  23. 23.What is the HCF of 7 and 28?
  24. 24.What is the HCF of 6 and 60?
  25. 25.What is the HCF of 27 and 36?
  26. 26.Write 8/18 in its simplest form. =
  27. 27.Write 24/56 in its simplest form. =
  28. 28.Write 4/12 in its simplest form. =
  29. 29.What is the HCF of 16 and 18?
  30. 30.Is 5/8 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 45 and 50?
  32. 32.What is the HCF of 30 and 48?
  33. 33.Write 35/50 in its simplest form. =
  34. 34.What is the HCF of 2 and 16?
  35. 35.What is the HCF of 5 and 35?
  36. 36.Is 6/16 in its simplest form? (a) Yes (b) No
  37. 37.Is 6/48 in its simplest form? (a) Yes (b) No
  38. 38.Is 14/20 in its simplest form? (a) No (b) Yes
  39. 39.Is 6/7 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 14 and 20?

Answer key

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

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