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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 313 · 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. 1.33.28 ÷ 8 =
  2. 2.9.4 × 0.4 =
  3. 3.4 ÷ 0.8 =
  4. 4.2.9 × 0.6 =
  5. 5.4/7 × 9 =
  6. 6.One jug of milk holds 9.5 L. How many L do 9 of them make in all? =
  7. 7.6.1 × 0.5 =
  8. 8.One bottle of oil holds 7.7 L. How many L do 8 of them make in all? =
  9. 9.5.2 × 0.3 =
  10. 10.One roll of ribbon has 9 m. How many m do 11 of them make in all? =
  11. 11.13.6 ÷ 8 =
  12. 12.4.4 ÷ 0.4 =
  13. 13.4 ÷ 0.4 =
  14. 14.1/4 × 2/7 =
  15. 15.3.6 ÷ 0.9 =
  16. 16.5/6 × 11 =
  17. 17.5/8 × 3/7 =
  18. 18.One jug of milk holds 2.7 L. How many L do 8 of them make in all? =
  19. 19.1/6 × 5/7 =
  20. 20.One packet of rice weighs 9.3 kg. How many kg do 2 of them make in all? =
  21. 21.8.56 ÷ 2 =
  22. 22.8.4 ÷ 0.7 =
  23. 23.3/5 × 5/7 =
  24. 24.One roll of ribbon has 1.7 m. How many m do 6 of them make in all? =
  25. 25.1/5 × 15 =
  26. 26.7/9 × 5/8 =
  27. 27.3/7 × 2 =
  28. 28.1/4 ÷ 1/5 =
  29. 29.5/8 ÷ 3/8 =
  30. 30.13.74 ÷ 2 =
  31. 31.10.4 ÷ 2 =
  32. 32.18.1 ÷ 5 =
  33. 33.3/4 × 1/5 =
  34. 34.5/8 ÷ 5/9 =
  35. 35.1/3 ÷ 1/3 =
  36. 36.4.48 ÷ 2 =
  37. 37.8.7 × 0.6 =
  38. 38.2.4 ÷ 0.2 =
  39. 39.3 ÷ 0.3 =
  40. 40.1.7 × 0.5 =

Answer key

  1. 4.16
  2. 3.76
  3. 5
  4. 1.74
  5. 36/7
  6. 85.5
  7. 3.05
  8. 61.6
  9. 1.56
  10. 99
  11. 1.7
  12. 11
  13. 10
  14. 1/14
  15. 4
  16. 55/6
  17. 15/56
  18. 21.6
  19. 5/42
  20. 18.6
  21. 4.28
  22. 12
  23. 3/7
  24. 10.2
  25. 3
  26. 35/72
  27. 6/7
  28. 5/4
  29. 5/3
  30. 6.87
  31. 5.2
  32. 3.62
  33. 3/20
  34. 9/8
  35. 1
  36. 2.24
  37. 5.22
  38. 12
  39. 10
  40. 0.85

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