← Fractions × and ÷: cancel first lesson New set →

Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 123 · 40 questions
TalentJR

The fast method (Cancel first): Dividing? Flip the second fraction and multiply: ÷ 2/3 is × 3/2. Cancel: a top and a bottom that share a factor — divide both by it. Multiply what is left: tops × tops, bottoms × bottoms. A bottom of 1 means a whole number.

NameDateTime takenScore ___ / 40
  1. 1.2/5 × 1/2 =
  2. 2.7/8 × 2/3 =
  3. 3.1/10 × 4/5 =
  4. 4.1/4 × 2/3 =
  5. 5.1/2 × 2/3 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.1/2 × 2/5 =
  8. 8.2/3 × 1/2 =
  9. 9.3/4 ÷ 3/4 =
  10. 10.1/7 ÷ 5/7 =
  11. 11.2/9 ÷ 5/12 =
  12. 12.1/4 × 2/3 =
  13. 13.1/6 × 2/3 =
  14. 14.3/7 × 5/9 =
  15. 15.6/11 × 7/12 =
  16. 16.5/12 × 2/5 =
  17. 17.2/3 ÷ 8/11 =
  18. 18.1/2 × 8/9 =
  19. 19.1/4 ÷ 1/10 =
  20. 20.2/5 ÷ 2/3 =
  21. 21.1/2 × 2/3 =
  22. 22.1/4 × 10/11 =
  23. 23.1/2 × 2/9 =
  24. 24.2/5 × 1/2 =
  25. 25.1/4 × 2/5 =
  26. 26.3/5 × 8/9 =
  27. 27.9/11 × 2/3 =
  28. 28.5/6 × 6/7 =
  29. 29.3/4 × 4/9 =
  30. 30.9/10 ÷ 1/2 =
  31. 31.2/5 ÷ 2/3 =
  32. 32.1/2 × 2/3 =
  33. 33.3/5 × 1/3 =
  34. 34.3/5 × 2/3 =
  35. 35.1/2 ÷ 5/6 =
  36. 36.1/6 × 2/11 =
  37. 37.2/7 × 1/2 =
  38. 38.1/3 × 3/5 =
  39. 39.3/4 ÷ 3/4 =
  40. 40.7/12 ÷ 3/4 =

Answer key

  1. 1/5
  2. 7/12
  3. 2/25
  4. 1/6
  5. 1/3
  6. 1/2
  7. 1/5
  8. 1/3
  9. 1
  10. 1/5
  11. 8/15
  12. 1/6
  13. 1/9
  14. 5/21
  15. 7/22
  16. 1/6
  17. 11/12
  18. 4/9
  19. 5/2
  20. 3/5
  21. 1/3
  22. 5/22
  23. 1/9
  24. 1/5
  25. 1/10
  26. 8/15
  27. 6/11
  28. 5/7
  29. 1/3
  30. 9/5
  31. 3/5
  32. 1/3
  33. 1/5
  34. 2/5
  35. 3/5
  36. 1/33
  37. 1/7
  38. 1/5
  39. 1
  40. 7/9

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths