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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 443 · 40 sums
TalentJR

The method (Flip and multiply): a/b × c/d = (a × c)/(b × d), then simplify. A whole number n is n/1. a/b ÷ c/d = a/b × d/c. Decimal × decimal: multiply as whole numbers; the answer has as many decimal places as both numbers together — 1.2 × 0.3 = 0.36. Decimal ÷ decimal: multiply both by 10 (or 100) first — 2.4 ÷ 0.6 = 24 ÷ 6 = 4.

NameDateTime takenScore ___ / 40
  1. 1.1/6 ÷ 8/9 =
  2. 2.7.3 × 0.2 =
  3. 3.1.5 ÷ 0.3 =
  4. 4.7.3 × 0.5 =
  5. 5.2/9 × 8 =
  6. 6.1.8 ÷ 0.6 =
  7. 7.3.2 ÷ 0.8 =
  8. 8.18.28 ÷ 4 =
  9. 9.5/9 × 13 =
  10. 10.3.2 ÷ 0.4 =
  11. 11.7.5 × 0.6 =
  12. 12.6/7 × 1/3 =
  13. 13.2.1 × 0.8 =
  14. 14.1/3 × 2 =
  15. 15.27.52 ÷ 4 =
  16. 16.1/9 × 11 =
  17. 17.2/9 × 6/7 =
  18. 18.1/8 × 13 =
  19. 19.4/7 × 1/4 =
  20. 20.0.4 ÷ 0.2 =
  21. 21.5/9 ÷ 1/6 =
  22. 22.4.2 ÷ 0.7 =
  23. 23.7.2 ÷ 0.8 =
  24. 24.8.2 × 0.9 =
  25. 25.1/3 ÷ 6/7 =
  26. 26.1/7 × 3 =
  27. 27.2.5 × 0.3 =
  28. 28.3/7 × 1/7 =
  29. 29.5.4 × 0.3 =
  30. 30.8/9 × 1/3 =
  31. 31.4/5 × 2/3 =
  32. 32.7/9 ÷ 1/2 =
  33. 33.4.2 × 0.8 =
  34. 34.4.4 ÷ 4 =
  35. 35.5/7 × 1/4 =
  36. 36.7.52 ÷ 4 =
  37. 37.One bottle of oil holds 7.1 L. How many L do 7 of them make in all? =
  38. 38.One bottle of oil holds 3 L. How many L do 11 of them make in all? =
  39. 39.3.5 ÷ 0.5 =
  40. 40.39.3 ÷ 5 =

Answer key

  1. 3/16
  2. 1.46
  3. 5
  4. 3.65
  5. 16/9
  6. 3
  7. 4
  8. 4.57
  9. 65/9
  10. 8
  11. 4.5
  12. 2/7
  13. 1.68
  14. 2/3
  15. 6.88
  16. 11/9
  17. 4/21
  18. 13/8
  19. 1/7
  20. 2
  21. 10/3
  22. 6
  23. 9
  24. 7.38
  25. 7/18
  26. 3/7
  27. 0.75
  28. 3/49
  29. 1.62
  30. 8/27
  31. 8/15
  32. 14/9
  33. 3.36
  34. 1.1
  35. 5/28
  36. 1.88
  37. 49.7
  38. 33
  39. 7
  40. 7.86

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