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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 289 · 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 30/48 in its simplest form. =
  2. 2.Write 24/40 in its simplest form. =
  3. 3.Is 6/36 in its simplest form? (a) Yes (b) No
  4. 4.Is 3/8 in its simplest form? (a) Yes (b) No
  5. 5.Write 18/24 in its simplest form. =
  6. 6.Write 9/18 in its simplest form. =
  7. 7.Is 1/7 in its simplest form? (a) Yes (b) No
  8. 8.Is 14/18 in its simplest form? (a) Yes (b) No
  9. 9.Write 7/63 in its simplest form. =
  10. 10.Is 10/15 in its simplest form? (a) No (b) Yes
  11. 11.Write 54/63 in its simplest form. =
  12. 12.Is 5/50 in its simplest form? (a) Yes (b) No
  13. 13.Write 16/56 in its simplest form. =
  14. 14.Write 3/9 in its simplest form. =
  15. 15.Is 1/2 in its simplest form? (a) No (b) Yes
  16. 16.Is 1/3 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 3 and 6?
  18. 18.Write 21/27 in its simplest form. =
  19. 19.Is 2/6 in its simplest form? (a) No (b) Yes
  20. 20.Is 9/10 in its simplest form? (a) Yes (b) No
  21. 21.Is 6/7 in its simplest form? (a) Yes (b) No
  22. 22.What is the HCF of 12 and 30?
  23. 23.Is 3/4 in its simplest form? (a) Yes (b) No
  24. 24.Write 8/10 in its simplest form. =
  25. 25.What is the HCF of 63 and 70?
  26. 26.Write 49/56 in its simplest form. =
  27. 27.What is the HCF of 2 and 14?
  28. 28.What is the HCF of 6 and 15?
  29. 29.What is the HCF of 14 and 63?
  30. 30.Is 9/30 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 25 and 40?
  32. 32.Write 40/45 in its simplest form. =
  33. 33.Is 4/14 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 8 and 20?
  35. 35.Is 5/8 in its simplest form? (a) No (b) Yes
  36. 36.Is 2/8 in its simplest form? (a) No (b) Yes
  37. 37.Write 10/35 in its simplest form. =
  38. 38.Is 2/9 in its simplest form? (a) No (b) Yes
  39. 39.Is 16/18 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 8 and 40?

Answer key

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

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