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

Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 223 · 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. 1.3/5 × 1/3 =
  2. 2.3/5 × 1/12 =
  3. 3.2/7 × 3/10 =
  4. 4.6/7 ÷ 9/10 =
  5. 5.1/3 × 3/4 =
  6. 6.1/2 × 4/5 =
  7. 7.8/11 × 11/12 =
  8. 8.2/5 × 3/10 =
  9. 9.1/4 × 2/5 =
  10. 10.3/7 × 1/3 =
  11. 11.2/5 × 1/4 =
  12. 12.3/4 × 1/6 =
  13. 13.5/6 ÷ 2/3 =
  14. 14.1/2 ÷ 1/12 =
  15. 15.9/10 ÷ 1/4 =
  16. 16.3/4 × 1/6 =
  17. 17.4/7 × 5/12 =
  18. 18.4/11 × 9/10 =
  19. 19.1/4 ÷ 1/2 =
  20. 20.1/7 × 7/9 =
  21. 21.1/6 × 3/4 =
  22. 22.2/5 × 9/10 =
  23. 23.1/6 ÷ 3/4 =
  24. 24.2/3 ÷ 2/3 =
  25. 25.1/6 × 2/11 =
  26. 26.1/2 ÷ 1/4 =
  27. 27.1/2 ÷ 1/4 =
  28. 28.11/12 ÷ 3/4 =
  29. 29.1/4 × 2/3 =
  30. 30.2/3 × 1/4 =
  31. 31.4/9 × 1/2 =
  32. 32.2/3 × 1/2 =
  33. 33.1/9 ÷ 1/3 =
  34. 34.2/5 × 5/9 =
  35. 35.1/5 × 5/7 =
  36. 36.1/2 ÷ 7/12 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/6 × 4/5 =
  39. 39.8/9 × 1/2 =
  40. 40.3/4 × 5/6 =

Answer key

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

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