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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 294 · 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 6 and 36?
  2. 2.Write 24/27 in its simplest form. =
  3. 3.Write 15/50 in its simplest form. =
  4. 4.Is 7/9 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 35 and 42?
  6. 6.Write 32/36 in its simplest form. =
  7. 7.What is the HCF of 40 and 72?
  8. 8.Is 12/20 in its simplest form? (a) No (b) Yes
  9. 9.Is 1/7 in its simplest form? (a) No (b) Yes
  10. 10.Is 18/30 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 20 and 28?
  12. 12.What is the HCF of 9 and 18?
  13. 13.What is the HCF of 7 and 49?
  14. 14.Write 56/80 in its simplest form. =
  15. 15.Write 8/24 in its simplest form. =
  16. 16.Is 1/3 in its simplest form? (a) Yes (b) No
  17. 17.Is 12/14 in its simplest form? (a) No (b) Yes
  18. 18.Is 5/20 in its simplest form? (a) No (b) Yes
  19. 19.Is 3/18 in its simplest form? (a) No (b) Yes
  20. 20.Is 1/2 in its simplest form? (a) Yes (b) No
  21. 21.Write 14/35 in its simplest form. =
  22. 22.Write 24/28 in its simplest form. =
  23. 23.Is 10/14 in its simplest form? (a) No (b) Yes
  24. 24.Write 18/48 in its simplest form. =
  25. 25.What is the HCF of 6 and 54?
  26. 26.What is the HCF of 5 and 25?
  27. 27.Write 7/28 in its simplest form. =
  28. 28.Is 4/10 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 3 and 30?
  30. 30.Write 6/12 in its simplest form. =
  31. 31.What is the HCF of 25 and 30?
  32. 32.Is 3/4 in its simplest form? (a) Yes (b) No
  33. 33.Write 35/45 in its simplest form. =
  34. 34.Write 8/64 in its simplest form. =
  35. 35.What is the HCF of 6 and 48?
  36. 36.What is the HCF of 8 and 80?
  37. 37.Write 21/28 in its simplest form. =
  38. 38.Is 3/10 in its simplest form? (a) Yes (b) No
  39. 39.Write 35/42 in its simplest form. =
  40. 40.Write 12/30 in its simplest form. =

Answer key

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

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