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

Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 375 · 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. 1.2/3 × 1/2 =
  2. 2.2/5 × 1/12 =
  3. 3.3/4 × 5/9 =
  4. 4.2/3 ÷ 1/9 =
  5. 5.6/11 × 1/2 =
  6. 6.2/3 × 1/4 =
  7. 7.1/4 × 4/9 =
  8. 8.11/12 ÷ 1/2 =
  9. 9.8/9 × 1/4 =
  10. 10.4/5 × 1/2 =
  11. 11.5/6 ÷ 1/2 =
  12. 12.5/6 × 3/7 =
  13. 13.6/11 ÷ 2/3 =
  14. 14.3/4 × 1/9 =
  15. 15.1/2 ÷ 3/4 =
  16. 16.3/7 ÷ 3/11 =
  17. 17.1/10 × 8/11 =
  18. 18.4/11 ÷ 7/11 =
  19. 19.4/11 × 1/2 =
  20. 20.7/8 × 2/7 =
  21. 21.5/12 ÷ 1/2 =
  22. 22.1/3 ÷ 5/6 =
  23. 23.1/6 × 3/11 =
  24. 24.2/5 × 7/10 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.2/3 × 9/11 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.2/7 × 1/10 =
  29. 29.3/5 × 5/12 =
  30. 30.1/3 ÷ 5/6 =
  31. 31.2/3 × 1/2 =
  32. 32.1/4 ÷ 5/6 =
  33. 33.2/3 ÷ 11/12 =
  34. 34.4/5 ÷ 2/3 =
  35. 35.2/9 × 1/2 =
  36. 36.2/3 × 11/12 =
  37. 37.6/11 × 8/9 =
  38. 38.3/8 ÷ 7/8 =
  39. 39.2/5 × 3/8 =
  40. 40.1/2 × 2/3 =

Answer key

  1. 1/3
  2. 1/30
  3. 5/12
  4. 6
  5. 3/11
  6. 1/6
  7. 1/9
  8. 11/6
  9. 2/9
  10. 2/5
  11. 5/3
  12. 5/14
  13. 9/11
  14. 1/12
  15. 2/3
  16. 11/7
  17. 4/55
  18. 4/7
  19. 2/11
  20. 1/4
  21. 5/6
  22. 2/5
  23. 1/22
  24. 7/25
  25. 1/2
  26. 6/11
  27. 1
  28. 1/35
  29. 1/4
  30. 2/5
  31. 1/3
  32. 3/10
  33. 8/11
  34. 6/5
  35. 1/9
  36. 11/18
  37. 16/33
  38. 3/7
  39. 3/20
  40. 1/3

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