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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 466 · 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 49 and 56?
  2. 2.What is the HCF of 12 and 16?
  3. 3.Write 42/60 in its simplest form. =
  4. 4.Write 14/21 in its simplest form. =
  5. 5.Write 4/12 in its simplest form. =
  6. 6.Is 7/9 in its simplest form? (a) Yes (b) No
  7. 7.Is 5/25 in its simplest form? (a) Yes (b) No
  8. 8.What is the HCF of 8 and 10?
  9. 9.Is 5/7 in its simplest form? (a) No (b) Yes
  10. 10.Is 6/18 in its simplest form? (a) Yes (b) No
  11. 11.Write 14/63 in its simplest form. =
  12. 12.What is the HCF of 9 and 12?
  13. 13.What is the HCF of 6 and 48?
  14. 14.Write 21/28 in its simplest form. =
  15. 15.What is the HCF of 28 and 35?
  16. 16.Write 21/30 in its simplest form. =
  17. 17.Write 32/72 in its simplest form. =
  18. 18.Write 9/54 in its simplest form. =
  19. 19.Write 18/20 in its simplest form. =
  20. 20.Write 8/40 in its simplest form. =
  21. 21.Write 24/54 in its simplest form. =
  22. 22.Write 10/45 in its simplest form. =
  23. 23.What is the HCF of 8 and 12?
  24. 24.What is the HCF of 3 and 24?
  25. 25.Is 7/10 in its simplest form? (a) Yes (b) No
  26. 26.Is 30/54 in its simplest form? (a) No (b) Yes
  27. 27.Write 8/72 in its simplest form. =
  28. 28.Write 6/20 in its simplest form. =
  29. 29.Write 12/14 in its simplest form. =
  30. 30.What is the HCF of 7 and 21?
  31. 31.Is 3/7 in its simplest form? (a) Yes (b) No
  32. 32.Is 1/7 in its simplest form? (a) No (b) Yes
  33. 33.Write 9/81 in its simplest form. =
  34. 34.What is the HCF of 12 and 54?
  35. 35.What is the HCF of 2 and 8?
  36. 36.What is the HCF of 8 and 14?
  37. 37.Write 40/72 in its simplest form. =
  38. 38.Is 3/5 in its simplest form? (a) Yes (b) No
  39. 39.Is 4/10 in its simplest form? (a) No (b) Yes
  40. 40.Is 2/16 in its simplest form? (a) Yes (b) No

Answer key

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

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