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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 502 · 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 2/18 in its simplest form. =
  2. 2.Is 54/60 in its simplest form? (a) Yes (b) No
  3. 3.Write 2/4 in its simplest form. =
  4. 4.What is the HCF of 4 and 40?
  5. 5.Write 3/6 in its simplest form. =
  6. 6.Write 27/30 in its simplest form. =
  7. 7.Write 7/49 in its simplest form. =
  8. 8.Write 56/80 in its simplest form. =
  9. 9.Is 3/5 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 16 and 40?
  11. 11.Write 5/35 in its simplest form. =
  12. 12.Is 6/24 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 3 and 30?
  14. 14.Is 2/12 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 8 and 18?
  16. 16.What is the HCF of 15 and 35?
  17. 17.Write 8/72 in its simplest form. =
  18. 18.What is the HCF of 21 and 49?
  19. 19.Is 2/5 in its simplest form? (a) No (b) Yes
  20. 20.Write 12/40 in its simplest form. =
  21. 21.Is 4/9 in its simplest form? (a) No (b) Yes
  22. 22.Write 25/45 in its simplest form. =
  23. 23.What is the HCF of 28 and 63?
  24. 24.Write 18/63 in its simplest form. =
  25. 25.Write 18/60 in its simplest form. =
  26. 26.What is the HCF of 36 and 40?
  27. 27.Write 15/35 in its simplest form. =
  28. 28.What is the HCF of 25 and 35?
  29. 29.Write 2/14 in its simplest form. =
  30. 30.What is the HCF of 6 and 14?
  31. 31.Write 24/64 in its simplest form. =
  32. 32.What is the HCF of 12 and 21?
  33. 33.Write 6/16 in its simplest form. =
  34. 34.Is 2/3 in its simplest form? (a) No (b) Yes
  35. 35.Write 5/20 in its simplest form. =
  36. 36.Is 25/40 in its simplest form? (a) Yes (b) No
  37. 37.Write 24/32 in its simplest form. =
  38. 38.Write 49/56 in its simplest form. =
  39. 39.Write 35/63 in its simplest form. =
  40. 40.Write 27/63 in its simplest form. =

Answer key

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

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