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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 194 · 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 49/70 in its simplest form. =
  2. 2.What is the HCF of 32 and 36?
  3. 3.Is 3/8 in its simplest form? (a) No (b) Yes
  4. 4.Write 15/35 in its simplest form. =
  5. 5.What is the HCF of 21 and 24?
  6. 6.Is 3/4 in its simplest form? (a) Yes (b) No
  7. 7.Is 12/30 in its simplest form? (a) No (b) Yes
  8. 8.Is 2/9 in its simplest form? (a) Yes (b) No
  9. 9.Is 5/7 in its simplest form? (a) No (b) Yes
  10. 10.Write 5/25 in its simplest form. =
  11. 11.What is the HCF of 6 and 48?
  12. 12.Is 12/32 in its simplest form? (a) Yes (b) No
  13. 13.What is the HCF of 27 and 30?
  14. 14.Is 6/10 in its simplest form? (a) No (b) Yes
  15. 15.Write 24/40 in its simplest form. =
  16. 16.What is the HCF of 9 and 12?
  17. 17.Write 36/40 in its simplest form. =
  18. 18.Write 3/9 in its simplest form. =
  19. 19.Is 20/32 in its simplest form? (a) Yes (b) No
  20. 20.Is 3/5 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 15 and 50?
  22. 22.What is the HCF of 36 and 42?
  23. 23.Is 20/35 in its simplest form? (a) No (b) Yes
  24. 24.Is 2/5 in its simplest form? (a) Yes (b) No
  25. 25.Is 6/24 in its simplest form? (a) Yes (b) No
  26. 26.Is 4/8 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 35 and 40?
  28. 28.What is the HCF of 4 and 16?
  29. 29.Write 56/80 in its simplest form. =
  30. 30.What is the HCF of 6 and 8?
  31. 31.Write 30/42 in its simplest form. =
  32. 32.Is 5/35 in its simplest form? (a) Yes (b) No
  33. 33.What is the HCF of 6 and 18?
  34. 34.Write 8/16 in its simplest form. =
  35. 35.What is the HCF of 3 and 9?
  36. 36.Write 12/18 in its simplest form. =
  37. 37.Is 1/10 in its simplest form? (a) Yes (b) No
  38. 38.Write 20/36 in its simplest form. =
  39. 39.What is the HCF of 30 and 54?
  40. 40.What is the HCF of 45 and 50?

Answer key

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

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