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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 68 · 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.One jug of milk holds 5.9 L. How many L do 5 of them make in all? =
  2. 2.5/9 ÷ 5/7 =
  3. 3.3.6 ÷ 0.9 =
  4. 4.6.9 ÷ 5 =
  5. 5.6.1 × 0.4 =
  6. 6.3.5 ÷ 0.7 =
  7. 7.6/7 × 7/8 =
  8. 8.5/7 ÷ 6/7 =
  9. 9.6.5 ÷ 2 =
  10. 10.4.8 × 0.4 =
  11. 11.5/6 × 3/7 =
  12. 12.3.6 ÷ 0.3 =
  13. 13.One packet of rice weighs 1.7 kg. How many kg do 9 of them make in all? =
  14. 14.9.6 × 0.7 =
  15. 15.3/5 ÷ 1/9 =
  16. 16.4.62 ÷ 2 =
  17. 17.3/5 × 7/9 =
  18. 18.3/7 ÷ 1/9 =
  19. 19.1/2 × 1/8 =
  20. 20.14.85 ÷ 5 =
  21. 21.3/5 ÷ 5/8 =
  22. 22.4/9 ÷ 4/5 =
  23. 23.3.2 × 0.4 =
  24. 24.4/5 × 10 =
  25. 25.4/7 × 7 =
  26. 26.30.56 ÷ 4 =
  27. 27.1/3 ÷ 8/9 =
  28. 28.21 ÷ 4 =
  29. 29.8/9 ÷ 3/4 =
  30. 30.5/8 ÷ 2/7 =
  31. 31.1/9 × 12 =
  32. 32.5/6 × 13 =
  33. 33.25.2 ÷ 5 =
  34. 34.One jug of milk holds 2.6 L. How many L do 3 of them make in all? =
  35. 35.5/9 × 11 =
  36. 36.4/9 × 4 =
  37. 37.2.7 ÷ 0.3 =
  38. 38.5/9 × 12 =
  39. 39.1/7 ÷ 2/3 =
  40. 40.3.7 × 0.3 =

Answer key

  1. 29.5
  2. 7/9
  3. 4
  4. 1.38
  5. 2.44
  6. 5
  7. 3/4
  8. 5/6
  9. 3.25
  10. 1.92
  11. 5/14
  12. 12
  13. 15.3
  14. 6.72
  15. 27/5
  16. 2.31
  17. 7/15
  18. 27/7
  19. 1/16
  20. 2.97
  21. 24/25
  22. 5/9
  23. 1.28
  24. 8
  25. 4
  26. 7.64
  27. 3/8
  28. 5.25
  29. 32/27
  30. 35/16
  31. 4/3
  32. 65/6
  33. 5.04
  34. 7.8
  35. 55/9
  36. 16/9
  37. 9
  38. 20/3
  39. 3/14
  40. 1.11

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