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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 286 · 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.What is the HCF of 3 and 9?
  2. 2.Write 3/9 in its simplest form. =
  3. 3.Write 5/10 in its simplest form. =
  4. 4.What is the HCF of 14 and 49?
  5. 5.Is 1/6 in its simplest form? (a) Yes (b) No
  6. 6.Write 49/70 in its simplest form. =
  7. 7.What is the HCF of 9 and 12?
  8. 8.Is 2/3 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 5 and 15?
  10. 10.Write 7/70 in its simplest form. =
  11. 11.What is the HCF of 56 and 72?
  12. 12.Write 42/54 in its simplest form. =
  13. 13.Write 6/27 in its simplest form. =
  14. 14.What is the HCF of 30 and 35?
  15. 15.Write 4/24 in its simplest form. =
  16. 16.What is the HCF of 21 and 30?
  17. 17.What is the HCF of 8 and 36?
  18. 18.What is the HCF of 18 and 20?
  19. 19.Write 4/6 in its simplest form. =
  20. 20.Is 7/9 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 2 and 8?
  22. 22.What is the HCF of 2 and 18?
  23. 23.What is the HCF of 8 and 14?
  24. 24.What is the HCF of 9 and 30?
  25. 25.Write 27/30 in its simplest form. =
  26. 26.Is 2/7 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 8 and 24?
  28. 28.What is the HCF of 4 and 18?
  29. 29.Write 21/56 in its simplest form. =
  30. 30.Write 24/80 in its simplest form. =
  31. 31.Write 8/14 in its simplest form. =
  32. 32.Is 4/5 in its simplest form? (a) No (b) Yes
  33. 33.Write 12/32 in its simplest form. =
  34. 34.What is the HCF of 49 and 63?
  35. 35.Write 40/56 in its simplest form. =
  36. 36.What is the HCF of 12 and 32?
  37. 37.Write 16/24 in its simplest form. =
  38. 38.Write 10/25 in its simplest form. =
  39. 39.Write 16/72 in its simplest form. =
  40. 40.Write 32/72 in its simplest form. =

Answer key

  1. 3
  2. 1/3
  3. 1/2
  4. 7
  5. Yes
  6. 7/10
  7. 3
  8. Yes
  9. 5
  10. 1/10
  11. 8
  12. 7/9
  13. 2/9
  14. 5
  15. 1/6
  16. 3
  17. 4
  18. 2
  19. 2/3
  20. Yes
  21. 2
  22. 2
  23. 2
  24. 3
  25. 9/10
  26. Yes
  27. 8
  28. 2
  29. 3/8
  30. 3/10
  31. 4/7
  32. Yes
  33. 3/8
  34. 7
  35. 5/7
  36. 4
  37. 2/3
  38. 2/5
  39. 2/9
  40. 4/9

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