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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 96 · 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 4/28 in its simplest form? (a) No (b) Yes
  2. 2.Is 1/6 in its simplest form? (a) No (b) Yes
  3. 3.Write 16/18 in its simplest form. =
  4. 4.Is 6/8 in its simplest form? (a) Yes (b) No
  5. 5.Write 35/50 in its simplest form. =
  6. 6.What is the HCF of 9 and 12?
  7. 7.Write 36/42 in its simplest form. =
  8. 8.Write 14/63 in its simplest form. =
  9. 9.What is the HCF of 30 and 35?
  10. 10.Write 14/35 in its simplest form. =
  11. 11.What is the HCF of 2 and 10?
  12. 12.Write 45/54 in its simplest form. =
  13. 13.Write 15/35 in its simplest form. =
  14. 14.What is the HCF of 42 and 60?
  15. 15.Write 3/15 in its simplest form. =
  16. 16.Is 12/15 in its simplest form? (a) No (b) Yes
  17. 17.What is the HCF of 20 and 35?
  18. 18.What is the HCF of 28 and 49?
  19. 19.Is 2/9 in its simplest form? (a) Yes (b) No
  20. 20.Is 16/28 in its simplest form? (a) No (b) Yes
  21. 21.Is 8/10 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 5 and 10?
  23. 23.Is 30/36 in its simplest form? (a) No (b) Yes
  24. 24.Write 7/63 in its simplest form. =
  25. 25.Is 7/8 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 35 and 63?
  27. 27.Is 35/50 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 21 and 70?
  29. 29.What is the HCF of 8 and 20?
  30. 30.What is the HCF of 9 and 24?
  31. 31.Is 5/6 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 27 and 72?
  33. 33.Write 21/56 in its simplest form. =
  34. 34.What is the HCF of 30 and 36?
  35. 35.Write 12/16 in its simplest form. =
  36. 36.Write 9/81 in its simplest form. =
  37. 37.What is the HCF of 24 and 42?
  38. 38.Write 12/42 in its simplest form. =
  39. 39.What is the HCF of 12 and 27?
  40. 40.Write 8/14 in its simplest form. =

Answer key

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

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