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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 28 · 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. 1.2/3 × 2 =
  2. 2.1/3 ÷ 3/8 =
  3. 3.0.9 ÷ 0.3 =
  4. 4.1/5 × 1/7 =
  5. 5.6.22 ÷ 2 =
  6. 6.9 ÷ 0.9 =
  7. 7.5/7 × 4 =
  8. 8.5/6 ÷ 8/9 =
  9. 9.3/8 × 8/9 =
  10. 10.0.3 × 0.6 =
  11. 11.4/9 × 1/7 =
  12. 12.3/4 × 5/9 =
  13. 13.14.16 ÷ 2 =
  14. 14.2/9 × 5 =
  15. 15.7/8 ÷ 1/5 =
  16. 16.7/8 × 10 =
  17. 17.7.3 × 0.8 =
  18. 18.2/9 × 11 =
  19. 19.One jug of milk holds 8.6 L. How many L do 8 of them make in all? =
  20. 20.1/6 × 3/4 =
  21. 21.2.08 ÷ 8 =
  22. 22.2/9 × 5/8 =
  23. 23.1/5 ÷ 1/5 =
  24. 24.One roll of ribbon has 5.3 m. How many m do 5 of them make in all? =
  25. 25.22.5 ÷ 5 =
  26. 26.5 ÷ 0.5 =
  27. 27.One packet of rice weighs 1.5 kg. How many kg do 10 of them make in all? =
  28. 28.2 ÷ 0.5 =
  29. 29.2.1 ÷ 0.3 =
  30. 30.1/6 × 1/9 =
  31. 31.3/5 × 5 =
  32. 32.One jug of milk holds 1.5 L. How many L do 8 of them make in all? =
  33. 33.3.2 ÷ 0.4 =
  34. 34.5/9 ÷ 4/9 =
  35. 35.5/7 × 3 =
  36. 36.9.6 × 0.9 =
  37. 37.3/4 × 8 =
  38. 38.4/9 ÷ 1/6 =
  39. 39.11.48 ÷ 4 =
  40. 40.4/5 × 7 =

Answer key

  1. 4/3
  2. 8/9
  3. 3
  4. 1/35
  5. 3.11
  6. 10
  7. 20/7
  8. 15/16
  9. 1/3
  10. 0.18
  11. 4/63
  12. 5/12
  13. 7.08
  14. 10/9
  15. 35/8
  16. 35/4
  17. 5.84
  18. 22/9
  19. 68.8
  20. 1/8
  21. 0.26
  22. 5/36
  23. 1
  24. 26.5
  25. 4.5
  26. 10
  27. 15
  28. 4
  29. 7
  30. 1/54
  31. 3
  32. 12
  33. 8
  34. 5/4
  35. 15/7
  36. 8.64
  37. 6
  38. 8/3
  39. 2.87
  40. 28/5

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