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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 292 · 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 9 and 36?
  2. 2.Write 7/42 in its simplest form. =
  3. 3.What is the HCF of 6 and 24?
  4. 4.What is the HCF of 48 and 56?
  5. 5.Write 16/18 in its simplest form. =
  6. 6.What is the HCF of 10 and 18?
  7. 7.What is the HCF of 14 and 21?
  8. 8.Is 10/12 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 12 and 21?
  10. 10.What is the HCF of 9 and 15?
  11. 11.Write 56/64 in its simplest form. =
  12. 12.Write 32/56 in its simplest form. =
  13. 13.Write 30/54 in its simplest form. =
  14. 14.Write 10/14 in its simplest form. =
  15. 15.Write 12/40 in its simplest form. =
  16. 16.What is the HCF of 42 and 48?
  17. 17.Is 1/9 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 3 and 18?
  19. 19.Write 24/54 in its simplest form. =
  20. 20.What is the HCF of 8 and 28?
  21. 21.Write 12/15 in its simplest form. =
  22. 22.Is 28/40 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 25 and 35?
  24. 24.Is 24/54 in its simplest form? (a) No (b) Yes
  25. 25.Write 8/20 in its simplest form. =
  26. 26.What is the HCF of 6 and 42?
  27. 27.Is 5/50 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 14 and 20?
  29. 29.Is 3/18 in its simplest form? (a) No (b) Yes
  30. 30.Write 2/12 in its simplest form. =
  31. 31.What is the HCF of 9 and 18?
  32. 32.Write 16/24 in its simplest form. =
  33. 33.Write 7/21 in its simplest form. =
  34. 34.Write 28/32 in its simplest form. =
  35. 35.Write 6/8 in its simplest form. =
  36. 36.Is 9/10 in its simplest form? (a) Yes (b) No
  37. 37.Write 72/80 in its simplest form. =
  38. 38.Write 6/14 in its simplest form. =
  39. 39.Is 25/35 in its simplest form? (a) No (b) Yes
  40. 40.Is 3/10 in its simplest form? (a) Yes (b) No

Answer key

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

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