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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 765 · 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 10/15 in its simplest form? (a) Yes (b) No
  2. 2.Write 3/12 in its simplest form. =
  3. 3.Is 5/9 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 21 and 24?
  5. 5.Is 1/3 in its simplest form? (a) No (b) Yes
  6. 6.Is 1/9 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 12 and 27?
  8. 8.Is 2/10 in its simplest form? (a) Yes (b) No
  9. 9.Is 15/24 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 56 and 64?
  11. 11.Is 1/10 in its simplest form? (a) No (b) Yes
  12. 12.Write 72/81 in its simplest form. =
  13. 13.Write 2/14 in its simplest form. =
  14. 14.Is 6/9 in its simplest form? (a) Yes (b) No
  15. 15.Is 24/30 in its simplest form? (a) No (b) Yes
  16. 16.Write 14/63 in its simplest form. =
  17. 17.Write 16/18 in its simplest form. =
  18. 18.Write 16/36 in its simplest form. =
  19. 19.Write 27/90 in its simplest form. =
  20. 20.Is 10/14 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 28 and 35?
  22. 22.Is 7/9 in its simplest form? (a) No (b) Yes
  23. 23.Write 12/16 in its simplest form. =
  24. 24.Is 3/9 in its simplest form? (a) Yes (b) No
  25. 25.Is 8/10 in its simplest form? (a) Yes (b) No
  26. 26.Is 18/42 in its simplest form? (a) No (b) Yes
  27. 27.Is 4/9 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 32 and 56?
  29. 29.Write 24/27 in its simplest form. =
  30. 30.Is 1/7 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 12 and 14?
  32. 32.Is 8/12 in its simplest form? (a) No (b) Yes
  33. 33.Write 10/18 in its simplest form. =
  34. 34.Write 42/49 in its simplest form. =
  35. 35.Write 7/42 in its simplest form. =
  36. 36.Is 3/24 in its simplest form? (a) No (b) Yes
  37. 37.Is 1/4 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 8 and 36?
  39. 39.Write 6/27 in its simplest form. =
  40. 40.Is 5/6 in its simplest form? (a) No (b) Yes

Answer key

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

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