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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 356 · 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. 1.5/7 ÷ 6/7 =
  2. 2.1/2 ÷ 1/2 =
  3. 3.5/9 × 4/9 =
  4. 4.3/4 × 1/2 =
  5. 5.One bag of potatoes weighs 6.3 kg. How many kg do 10 of them make in all? =
  6. 6.5/6 × 1/8 =
  7. 7.16.56 ÷ 4 =
  8. 8.5.68 ÷ 2 =
  9. 9.8.4 ÷ 0.7 =
  10. 10.3 ÷ 0.3 =
  11. 11.2.5 ÷ 0.5 =
  12. 12.3 ÷ 0.6 =
  13. 13.One jug of milk holds 8.4 L. How many L do 5 of them make in all? =
  14. 14.2.4 ÷ 0.4 =
  15. 15.6/7 × 12 =
  16. 16.1.4 ÷ 0.2 =
  17. 17.One roll of ribbon has 8.4 m. How many m do 5 of them make in all? =
  18. 18.7/8 ÷ 3/7 =
  19. 19.8/9 ÷ 1/6 =
  20. 20.2/3 ÷ 1/2 =
  21. 21.One jug of milk holds 2.5 L. How many L do 3 of them make in all? =
  22. 22.0.6 ÷ 0.2 =
  23. 23.3.6 ÷ 0.6 =
  24. 24.1/5 × 1/2 =
  25. 25.19.98 ÷ 2 =
  26. 26.3/4 ÷ 3/4 =
  27. 27.3.6 ÷ 0.9 =
  28. 28.30.55 ÷ 5 =
  29. 29.1.6 × 0.3 =
  30. 30.2.7 ÷ 0.9 =
  31. 31.2/3 × 1/8 =
  32. 32.One roll of ribbon has 6.6 m. How many m do 6 of them make in all? =
  33. 33.2.4 ÷ 0.2 =
  34. 34.7/9 × 4 =
  35. 35.1.8 ÷ 0.3 =
  36. 36.One roll of ribbon has 4.4 m. How many m do 7 of them make in all? =
  37. 37.1/8 × 2/9 =
  38. 38.2.4 ÷ 0.3 =
  39. 39.9.5 ÷ 5 =
  40. 40.4/9 ÷ 1/2 =

Answer key

  1. 5/6
  2. 1
  3. 20/81
  4. 3/8
  5. 63
  6. 5/48
  7. 4.14
  8. 2.84
  9. 12
  10. 10
  11. 5
  12. 5
  13. 42
  14. 6
  15. 72/7
  16. 7
  17. 42
  18. 49/24
  19. 16/3
  20. 4/3
  21. 7.5
  22. 3
  23. 6
  24. 1/10
  25. 9.99
  26. 1
  27. 4
  28. 6.11
  29. 0.48
  30. 3
  31. 1/12
  32. 39.6
  33. 12
  34. 28/9
  35. 6
  36. 30.8
  37. 1/36
  38. 8
  39. 1.9
  40. 8/9

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