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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 534 · 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.Write 9/24 in its simplest form. =
  2. 2.What is the HCF of 14 and 18?
  3. 3.What is the HCF of 10 and 25?
  4. 4.Is 25/45 in its simplest form? (a) Yes (b) No
  5. 5.Write 18/21 in its simplest form. =
  6. 6.Is 2/3 in its simplest form? (a) No (b) Yes
  7. 7.Write 6/9 in its simplest form. =
  8. 8.Write 4/12 in its simplest form. =
  9. 9.Write 8/56 in its simplest form. =
  10. 10.Is 6/36 in its simplest form? (a) No (b) Yes
  11. 11.Write 7/42 in its simplest form. =
  12. 12.Is 6/27 in its simplest form? (a) Yes (b) No
  13. 13.Is 6/21 in its simplest form? (a) No (b) Yes
  14. 14.Is 15/50 in its simplest form? (a) No (b) Yes
  15. 15.Write 16/28 in its simplest form. =
  16. 16.What is the HCF of 49 and 56?
  17. 17.What is the HCF of 9 and 90?
  18. 18.Is 16/36 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 12 and 40?
  20. 20.Write 27/30 in its simplest form. =
  21. 21.What is the HCF of 9 and 36?
  22. 22.What is the HCF of 20 and 45?
  23. 23.Write 35/45 in its simplest form. =
  24. 24.Write 28/63 in its simplest form. =
  25. 25.What is the HCF of 10 and 15?
  26. 26.Is 15/40 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 35 and 56?
  28. 28.What is the HCF of 2 and 14?
  29. 29.Is 2/7 in its simplest form? (a) No (b) Yes
  30. 30.Write 15/24 in its simplest form. =
  31. 31.Is 30/54 in its simplest form? (a) No (b) Yes
  32. 32.Write 3/9 in its simplest form. =
  33. 33.Is 16/18 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 9 and 12?
  35. 35.Write 6/30 in its simplest form. =
  36. 36.Is 1/10 in its simplest form? (a) No (b) Yes
  37. 37.Write 7/35 in its simplest form. =
  38. 38.Write 28/36 in its simplest form. =
  39. 39.Is 1/6 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 12 and 15?

Answer key

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

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