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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 955 · 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.Is 2/5 in its simplest form? (a) No (b) Yes
  2. 2.Write 8/32 in its simplest form. =
  3. 3.Write 9/45 in its simplest form. =
  4. 4.Write 18/30 in its simplest form. =
  5. 5.Is 5/8 in its simplest form? (a) Yes (b) No
  6. 6.Is 2/3 in its simplest form? (a) No (b) Yes
  7. 7.Write 35/49 in its simplest form. =
  8. 8.What is the HCF of 12 and 14?
  9. 9.Write 5/15 in its simplest form. =
  10. 10.Write 21/27 in its simplest form. =
  11. 11.What is the HCF of 24 and 64?
  12. 12.Is 3/5 in its simplest form? (a) No (b) Yes
  13. 13.Write 15/21 in its simplest form. =
  14. 14.Is 20/32 in its simplest form? (a) Yes (b) No
  15. 15.Write 32/56 in its simplest form. =
  16. 16.Is 4/5 in its simplest form? (a) No (b) Yes
  17. 17.Write 10/25 in its simplest form. =
  18. 18.Is 14/20 in its simplest form? (a) No (b) Yes
  19. 19.Write 12/40 in its simplest form. =
  20. 20.What is the HCF of 16 and 72?
  21. 21.Write 6/15 in its simplest form. =
  22. 22.What is the HCF of 5 and 10?
  23. 23.What is the HCF of 24 and 32?
  24. 24.Write 24/28 in its simplest form. =
  25. 25.What is the HCF of 9 and 24?
  26. 26.Is 9/12 in its simplest form? (a) No (b) Yes
  27. 27.Write 4/10 in its simplest form. =
  28. 28.Write 2/10 in its simplest form. =
  29. 29.What is the HCF of 8 and 10?
  30. 30.Write 6/10 in its simplest form. =
  31. 31.Write 45/50 in its simplest form. =
  32. 32.Is 6/24 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 4 and 12?
  34. 34.What is the HCF of 2 and 16?
  35. 35.Is 15/18 in its simplest form? (a) No (b) Yes
  36. 36.Write 45/63 in its simplest form. =
  37. 37.What is the HCF of 15 and 50?
  38. 38.Write 4/36 in its simplest form. =
  39. 39.Write 48/56 in its simplest form. =
  40. 40.Is 4/8 in its simplest form? (a) No (b) Yes

Answer key

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

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