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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 242 · 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. 1.4/5 × 4/7 =
  2. 2.5/6 ÷ 4/5 =
  3. 3.1/2 × 6/7 =
  4. 4.2/5 × 8 =
  5. 5.0.6 ÷ 0.2 =
  6. 6.One jug of milk holds 3.5 L. How many L do 10 of them make in all? =
  7. 7.1/4 × 7 =
  8. 8.2/3 × 12 =
  9. 9.4/9 × 5/6 =
  10. 10.7/9 × 9 =
  11. 11.2/5 × 3/5 =
  12. 12.3 ÷ 0.6 =
  13. 13.1 ÷ 0.2 =
  14. 14.3.5 ÷ 0.7 =
  15. 15.5/6 × 2/3 =
  16. 16.7.6 ÷ 4 =
  17. 17.8/9 ÷ 1/3 =
  18. 18.One bag of potatoes weighs 3.5 kg. How many kg do 10 of them make in all? =
  19. 19.9.9 ÷ 0.9 =
  20. 20.1.6 ÷ 2 =
  21. 21.5.65 ÷ 5 =
  22. 22.3 ÷ 0.3 =
  23. 23.2 ÷ 0.2 =
  24. 24.8/9 × 1/7 =
  25. 25.18.22 ÷ 2 =
  26. 26.One roll of ribbon has 4.5 m. How many m do 2 of them make in all? =
  27. 27.One roll of ribbon has 3.4 m. How many m do 6 of them make in all? =
  28. 28.7/9 ÷ 2/5 =
  29. 29.8.8 × 0.5 =
  30. 30.One jug of milk holds 2 L. How many L do 7 of them make in all? =
  31. 31.2/7 ÷ 3/5 =
  32. 32.1/2 × 2 =
  33. 33.1.2 ÷ 0.3 =
  34. 34.One packet of rice weighs 6.3 kg. How many kg do 8 of them make in all? =
  35. 35.2/5 ÷ 4/5 =
  36. 36.4/7 × 1/5 =
  37. 37.3.28 ÷ 4 =
  38. 38.6.3 ÷ 0.7 =
  39. 39.12.1 ÷ 2 =
  40. 40.5/9 × 9 =

Answer key

  1. 16/35
  2. 25/24
  3. 3/7
  4. 16/5
  5. 3
  6. 35
  7. 7/4
  8. 8
  9. 10/27
  10. 7
  11. 6/25
  12. 5
  13. 5
  14. 5
  15. 5/9
  16. 1.9
  17. 8/3
  18. 35
  19. 11
  20. 0.8
  21. 1.13
  22. 10
  23. 10
  24. 8/63
  25. 9.11
  26. 9
  27. 20.4
  28. 35/18
  29. 4.4
  30. 14
  31. 10/21
  32. 1
  33. 4
  34. 50.4
  35. 1/2
  36. 4/35
  37. 0.82
  38. 9
  39. 6.05
  40. 5

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