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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 307 · 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. 1.8.65 ÷ 5 =
  2. 2.9.4 × 0.7 =
  3. 3.1.4 × 0.6 =
  4. 4.6.6 ÷ 4 =
  5. 5.3/5 ÷ 2/7 =
  6. 6.4/5 ÷ 4/9 =
  7. 7.1/2 ÷ 1/5 =
  8. 8.6.32 ÷ 4 =
  9. 9.4/5 ÷ 1/2 =
  10. 10.4/5 × 3/4 =
  11. 11.1.6 ÷ 0.2 =
  12. 12.5/7 × 13 =
  13. 13.4.4 ÷ 0.4 =
  14. 14.5/6 × 1/9 =
  15. 15.13.55 ÷ 5 =
  16. 16.One bottle of oil holds 3.3 L. How many L do 2 of them make in all? =
  17. 17.7/8 ÷ 1/4 =
  18. 18.5/9 ÷ 4/5 =
  19. 19.One packet of rice weighs 8.4 kg. How many kg do 4 of them make in all? =
  20. 20.3.2 × 0.9 =
  21. 21.7/9 × 5 =
  22. 22.1.48 ÷ 4 =
  23. 23.7/8 × 4/7 =
  24. 24.4.12 ÷ 2 =
  25. 25.2/3 × 2/3 =
  26. 26.1/9 × 9 =
  27. 27.1/3 × 8 =
  28. 28.0.9 × 0.2 =
  29. 29.0.1 × 0.2 =
  30. 30.3.7 × 0.5 =
  31. 31.One packet of rice weighs 7.1 kg. How many kg do 2 of them make in all? =
  32. 32.1.2 ÷ 0.3 =
  33. 33.7.92 ÷ 2 =
  34. 34.One jug of milk holds 3 L. How many L do 11 of them make in all? =
  35. 35.10.8 ÷ 0.9 =
  36. 36.7.7 × 0.5 =
  37. 37.4.3 × 0.7 =
  38. 38.One packet of rice weighs 1.6 kg. How many kg do 3 of them make in all? =
  39. 39.1/4 × 6 =
  40. 40.6.38 ÷ 2 =

Answer key

  1. 1.73
  2. 6.58
  3. 0.84
  4. 1.65
  5. 21/10
  6. 9/5
  7. 5/2
  8. 1.58
  9. 8/5
  10. 3/5
  11. 8
  12. 65/7
  13. 11
  14. 5/54
  15. 2.71
  16. 6.6
  17. 7/2
  18. 25/36
  19. 33.6
  20. 2.88
  21. 35/9
  22. 0.37
  23. 1/2
  24. 2.06
  25. 4/9
  26. 1
  27. 8/3
  28. 0.18
  29. 0.02
  30. 1.85
  31. 14.2
  32. 4
  33. 3.96
  34. 33
  35. 12
  36. 3.85
  37. 3.01
  38. 4.8
  39. 3/2
  40. 3.19

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