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

Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 911 · 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. 1.7/8 × 4/9 =
  2. 2.5/11 × 3/5 =
  3. 3.3/4 × 2/3 =
  4. 4.1/2 × 6/7 =
  5. 5.1/4 ÷ 1/2 =
  6. 6.5/7 ÷ 5/7 =
  7. 7.4/5 ÷ 4/9 =
  8. 8.4/7 × 1/4 =
  9. 9.3/8 × 1/3 =
  10. 10.2/3 ÷ 6/11 =
  11. 11.6/7 ÷ 3/4 =
  12. 12.1/2 × 2/3 =
  13. 13.3/5 × 1/3 =
  14. 14.4/5 ÷ 2/7 =
  15. 15.3/5 × 8/9 =
  16. 16.7/12 ÷ 2/3 =
  17. 17.1/3 ÷ 1/6 =
  18. 18.6/7 ÷ 2/11 =
  19. 19.6/7 ÷ 3/7 =
  20. 20.4/5 × 1/2 =
  21. 21.6/7 × 1/4 =
  22. 22.2/3 ÷ 4/9 =
  23. 23.2/5 ÷ 4/5 =
  24. 24.4/5 × 1/2 =
  25. 25.2/3 × 1/8 =
  26. 26.3/4 × 4/11 =
  27. 27.8/11 × 1/2 =
  28. 28.1/2 ÷ 1/6 =
  29. 29.3/4 × 4/11 =
  30. 30.5/6 × 2/5 =
  31. 31.2/5 × 3/8 =
  32. 32.5/9 ÷ 1/6 =
  33. 33.11/12 ÷ 1/8 =
  34. 34.6/7 ÷ 2/3 =
  35. 35.1/9 ÷ 2/3 =
  36. 36.1/2 × 4/5 =
  37. 37.7/8 ÷ 1/2 =
  38. 38.3/10 ÷ 2/5 =
  39. 39.6/11 × 1/2 =
  40. 40.1/2 × 4/11 =

Answer key

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

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