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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 274 · 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 56 and 72?
  2. 2.Is 24/30 in its simplest form? (a) Yes (b) No
  3. 3.Write 2/10 in its simplest form. =
  4. 4.Is 2/16 in its simplest form? (a) Yes (b) No
  5. 5.What is the HCF of 20 and 24?
  6. 6.Is 3/10 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 3 and 9?
  8. 8.Write 40/45 in its simplest form. =
  9. 9.Write 16/24 in its simplest form. =
  10. 10.Is 2/6 in its simplest form? (a) No (b) Yes
  11. 11.Is 12/16 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 12 and 14?
  13. 13.Is 2/4 in its simplest form? (a) No (b) Yes
  14. 14.Is 10/35 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 25 and 30?
  16. 16.Is 2/8 in its simplest form? (a) Yes (b) No
  17. 17.Write 8/64 in its simplest form. =
  18. 18.What is the HCF of 20 and 36?
  19. 19.Write 42/60 in its simplest form. =
  20. 20.Write 24/32 in its simplest form. =
  21. 21.Write 4/20 in its simplest form. =
  22. 22.Write 72/80 in its simplest form. =
  23. 23.Is 12/20 in its simplest form? (a) Yes (b) No
  24. 24.Write 5/40 in its simplest form. =
  25. 25.Write 4/32 in its simplest form. =
  26. 26.Is 8/14 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 30 and 35?
  28. 28.What is the HCF of 9 and 24?
  29. 29.Write 18/21 in its simplest form. =
  30. 30.Write 2/20 in its simplest form. =
  31. 31.What is the HCF of 9 and 21?
  32. 32.Write 45/54 in its simplest form. =
  33. 33.Is 35/40 in its simplest form? (a) Yes (b) No
  34. 34.Write 63/70 in its simplest form. =
  35. 35.Write 9/12 in its simplest form. =
  36. 36.Write 28/40 in its simplest form. =
  37. 37.What is the HCF of 45 and 81?
  38. 38.What is the HCF of 48 and 56?
  39. 39.What is the HCF of 24 and 32?
  40. 40.Is 2/5 in its simplest form? (a) Yes (b) No

Answer key

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

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