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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 40 · 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 20/32 in its simplest form. =
  2. 2.What is the HCF of 12 and 15?
  3. 3.Write 2/10 in its simplest form. =
  4. 4.Write 8/24 in its simplest form. =
  5. 5.Write 4/14 in its simplest form. =
  6. 6.Write 8/32 in its simplest form. =
  7. 7.Write 5/30 in its simplest form. =
  8. 8.Is 9/30 in its simplest form? (a) Yes (b) No
  9. 9.Is 3/5 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 8 and 24?
  11. 11.What is the HCF of 6 and 15?
  12. 12.Write 14/20 in its simplest form. =
  13. 13.Write 6/16 in its simplest form. =
  14. 14.What is the HCF of 6 and 9?
  15. 15.Write 9/15 in its simplest form. =
  16. 16.Is 12/54 in its simplest form? (a) Yes (b) No
  17. 17.Is 5/10 in its simplest form? (a) Yes (b) No
  18. 18.Is 6/8 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 21 and 56?
  20. 20.What is the HCF of 9 and 21?
  21. 21.What is the HCF of 30 and 35?
  22. 22.What is the HCF of 4 and 14?
  23. 23.Is 42/60 in its simplest form? (a) Yes (b) No
  24. 24.Is 36/42 in its simplest form? (a) No (b) Yes
  25. 25.Is 10/25 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 27 and 72?
  27. 27.What is the HCF of 8 and 16?
  28. 28.Is 9/15 in its simplest form? (a) No (b) Yes
  29. 29.Write 54/63 in its simplest form. =
  30. 30.Write 16/24 in its simplest form. =
  31. 31.Is 6/20 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 35 and 50?
  33. 33.Is 32/36 in its simplest form? (a) Yes (b) No
  34. 34.Is 3/4 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 16 and 18?
  36. 36.Write 10/25 in its simplest form. =
  37. 37.Is 3/8 in its simplest form? (a) No (b) Yes
  38. 38.Is 24/54 in its simplest form? (a) No (b) Yes
  39. 39.Is 20/32 in its simplest form? (a) No (b) Yes
  40. 40.Is 7/10 in its simplest form? (a) No (b) Yes

Answer key

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

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