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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 981 · 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 6?
  2. 2.Write 2/4 in its simplest form. =
  3. 3.Write 12/15 in its simplest form. =
  4. 4.Write 16/18 in its simplest form. =
  5. 5.Write 5/45 in its simplest form. =
  6. 6.Write 15/21 in its simplest form. =
  7. 7.Write 56/80 in its simplest form. =
  8. 8.Is 5/9 in its simplest form? (a) No (b) Yes
  9. 9.What is the HCF of 12 and 54?
  10. 10.Is 7/10 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 14 and 49?
  12. 12.Is 5/6 in its simplest form? (a) No (b) Yes
  13. 13.Write 8/36 in its simplest form. =
  14. 14.Is 3/8 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 10 and 35?
  16. 16.What is the HCF of 2 and 6?
  17. 17.Write 32/36 in its simplest form. =
  18. 18.Write 10/12 in its simplest form. =
  19. 19.What is the HCF of 20 and 25?
  20. 20.Write 6/16 in its simplest form. =
  21. 21.Is 2/3 in its simplest form? (a) Yes (b) No
  22. 22.Write 5/20 in its simplest form. =
  23. 23.What is the HCF of 27 and 63?
  24. 24.Write 16/20 in its simplest form. =
  25. 25.What is the HCF of 18 and 21?
  26. 26.Write 3/21 in its simplest form. =
  27. 27.What is the HCF of 3 and 27?
  28. 28.Is 4/16 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 15 and 40?
  30. 30.Is 6/12 in its simplest form? (a) Yes (b) No
  31. 31.What is the HCF of 2 and 20?
  32. 32.Write 36/63 in its simplest form. =
  33. 33.What is the HCF of 6 and 20?
  34. 34.Write 27/63 in its simplest form. =
  35. 35.What is the HCF of 12 and 40?
  36. 36.What is the HCF of 6 and 16?
  37. 37.What is the HCF of 32 and 72?
  38. 38.What is the HCF of 3 and 9?
  39. 39.Is 6/30 in its simplest form? (a) Yes (b) No
  40. 40.Is 12/14 in its simplest form? (a) No (b) Yes

Answer key

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

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