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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 223 · 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 1/3 in its simplest form? (a) Yes (b) No
  2. 2.Write 32/36 in its simplest form. =
  3. 3.What is the HCF of 9 and 30?
  4. 4.What is the HCF of 27 and 45?
  5. 5.Write 25/40 in its simplest form. =
  6. 6.Is 6/14 in its simplest form? (a) Yes (b) No
  7. 7.Write 24/32 in its simplest form. =
  8. 8.Is 32/36 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 10 and 15?
  10. 10.What is the HCF of 16 and 40?
  11. 11.What is the HCF of 6 and 20?
  12. 12.Write 12/30 in its simplest form. =
  13. 13.Write 4/20 in its simplest form. =
  14. 14.Is 8/28 in its simplest form? (a) No (b) Yes
  15. 15.Is 1/6 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 3 and 21?
  17. 17.What is the HCF of 6 and 36?
  18. 18.What is the HCF of 2 and 8?
  19. 19.Write 27/36 in its simplest form. =
  20. 20.What is the HCF of 18 and 48?
  21. 21.What is the HCF of 27 and 36?
  22. 22.Is 7/9 in its simplest form? (a) Yes (b) No
  23. 23.Is 5/7 in its simplest form? (a) Yes (b) No
  24. 24.Is 24/54 in its simplest form? (a) No (b) Yes
  25. 25.Is 5/9 in its simplest form? (a) No (b) Yes
  26. 26.Write 3/9 in its simplest form. =
  27. 27.Write 8/56 in its simplest form. =
  28. 28.Write 10/16 in its simplest form. =
  29. 29.Is 9/10 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 12 and 18?
  31. 31.Is 2/9 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 2 and 10?
  33. 33.What is the HCF of 14 and 35?
  34. 34.Write 8/80 in its simplest form. =
  35. 35.What is the HCF of 5 and 15?
  36. 36.Is 2/7 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 7 and 42?
  38. 38.Write 9/24 in its simplest form. =
  39. 39.Write 35/45 in its simplest form. =
  40. 40.Is 27/30 in its simplest form? (a) No (b) Yes

Answer key

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

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