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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 13 · 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.Write 35/49 in its simplest form. =
  2. 2.Is 16/20 in its simplest form? (a) No (b) Yes
  3. 3.What is the HCF of 24 and 56?
  4. 4.What is the HCF of 28 and 36?
  5. 5.Write 7/49 in its simplest form. =
  6. 6.Write 21/56 in its simplest form. =
  7. 7.What is the HCF of 2 and 10?
  8. 8.Is 5/25 in its simplest form? (a) Yes (b) No
  9. 9.Write 16/56 in its simplest form. =
  10. 10.What is the HCF of 4 and 32?
  11. 11.Write 72/80 in its simplest form. =
  12. 12.Write 8/14 in its simplest form. =
  13. 13.Write 7/35 in its simplest form. =
  14. 14.What is the HCF of 25 and 30?
  15. 15.Write 5/25 in its simplest form. =
  16. 16.What is the HCF of 5 and 30?
  17. 17.Is 30/36 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 32 and 56?
  19. 19.Is 9/10 in its simplest form? (a) No (b) Yes
  20. 20.Is 5/9 in its simplest form? (a) No (b) Yes
  21. 21.Write 16/40 in its simplest form. =
  22. 22.What is the HCF of 12 and 15?
  23. 23.Is 5/6 in its simplest form? (a) Yes (b) No
  24. 24.Is 1/7 in its simplest form? (a) No (b) Yes
  25. 25.Write 4/32 in its simplest form. =
  26. 26.Write 15/35 in its simplest form. =
  27. 27.Write 8/40 in its simplest form. =
  28. 28.What is the HCF of 42 and 48?
  29. 29.Is 36/40 in its simplest form? (a) No (b) Yes
  30. 30.Write 16/24 in its simplest form. =
  31. 31.Write 3/24 in its simplest form. =
  32. 32.Write 15/20 in its simplest form. =
  33. 33.Write 8/28 in its simplest form. =
  34. 34.Is 25/45 in its simplest form? (a) No (b) Yes
  35. 35.Write 56/63 in its simplest form. =
  36. 36.Is 2/7 in its simplest form? (a) Yes (b) No
  37. 37.Write 8/32 in its simplest form. =
  38. 38.Write 3/9 in its simplest form. =
  39. 39.Is 10/45 in its simplest form? (a) Yes (b) No
  40. 40.Is 12/27 in its simplest form? (a) Yes (b) No

Answer key

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

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