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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 591 · 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 30?
  2. 2.Write 6/54 in its simplest form. =
  3. 3.Is 14/20 in its simplest form? (a) Yes (b) No
  4. 4.What is the HCF of 6 and 54?
  5. 5.What is the HCF of 27 and 30?
  6. 6.Write 45/54 in its simplest form. =
  7. 7.What is the HCF of 6 and 10?
  8. 8.Is 1/8 in its simplest form? (a) No (b) Yes
  9. 9.Is 2/9 in its simplest form? (a) Yes (b) No
  10. 10.Is 4/10 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 4 and 20?
  12. 12.Is 18/24 in its simplest form? (a) No (b) Yes
  13. 13.Write 8/56 in its simplest form. =
  14. 14.Write 18/63 in its simplest form. =
  15. 15.Write 14/21 in its simplest form. =
  16. 16.What is the HCF of 7 and 56?
  17. 17.Write 42/54 in its simplest form. =
  18. 18.Write 10/16 in its simplest form. =
  19. 19.Write 18/30 in its simplest form. =
  20. 20.What is the HCF of 64 and 72?
  21. 21.What is the HCF of 5 and 15?
  22. 22.Is 2/3 in its simplest form? (a) No (b) Yes
  23. 23.Write 27/63 in its simplest form. =
  24. 24.Is 1/7 in its simplest form? (a) Yes (b) No
  25. 25.What is the HCF of 4 and 40?
  26. 26.Write 63/81 in its simplest form. =
  27. 27.What is the HCF of 28 and 63?
  28. 28.What is the HCF of 6 and 18?
  29. 29.What is the HCF of 6 and 48?
  30. 30.Write 56/63 in its simplest form. =
  31. 31.What is the HCF of 49 and 63?
  32. 32.Write 20/45 in its simplest form. =
  33. 33.Is 3/24 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 30 and 36?
  35. 35.What is the HCF of 24 and 32?
  36. 36.Write 56/72 in its simplest form. =
  37. 37.Is 6/27 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 56 and 72?
  39. 39.Is 1/9 in its simplest form? (a) Yes (b) No
  40. 40.Write 15/24 in its simplest form. =

Answer key

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

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