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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 361 · 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. 1.2.84 ÷ 4 =
  2. 2.2/9 × 4 =
  3. 3.One bag of potatoes weighs 2.4 kg. How many kg do 2 of them make in all? =
  4. 4.One jug of milk holds 8.9 L. How many L do 6 of them make in all? =
  5. 5.3/7 × 6/7 =
  6. 6.One jug of milk holds 1.3 L. How many L do 5 of them make in all? =
  7. 7.5/6 × 3/8 =
  8. 8.3/5 ÷ 1/9 =
  9. 9.One jug of milk holds 2.1 L. How many L do 6 of them make in all? =
  10. 10.1/8 × 4/5 =
  11. 11.4/7 × 1/6 =
  12. 12.38 ÷ 4 =
  13. 13.0.2 × 0.8 =
  14. 14.3/8 ÷ 4/7 =
  15. 15.3/8 ÷ 1/2 =
  16. 16.1.4 ÷ 0.2 =
  17. 17.4/5 ÷ 1/4 =
  18. 18.3/5 × 3/8 =
  19. 19.6.6 × 0.5 =
  20. 20.7.15 ÷ 5 =
  21. 21.2/3 × 3/7 =
  22. 22.7/9 × 1/6 =
  23. 23.33.52 ÷ 8 =
  24. 24.1/6 × 7 =
  25. 25.5/8 ÷ 5/8 =
  26. 26.5.5 ÷ 0.5 =
  27. 27.2.8 × 0.9 =
  28. 28.7/9 × 1/2 =
  29. 29.2/7 × 1/7 =
  30. 30.2.4 ÷ 0.6 =
  31. 31.1/3 × 10 =
  32. 32.7/8 × 1/5 =
  33. 33.4/7 ÷ 4/5 =
  34. 34.2.7 ÷ 0.9 =
  35. 35.1/8 ÷ 3/5 =
  36. 36.1/6 ÷ 5/9 =
  37. 37.2/7 × 1/3 =
  38. 38.5/6 × 7/8 =
  39. 39.3/7 × 3 =
  40. 40.4 ÷ 0.4 =

Answer key

  1. 0.71
  2. 8/9
  3. 4.8
  4. 53.4
  5. 18/49
  6. 6.5
  7. 5/16
  8. 27/5
  9. 12.6
  10. 1/10
  11. 2/21
  12. 9.5
  13. 0.16
  14. 21/32
  15. 3/4
  16. 7
  17. 16/5
  18. 9/40
  19. 3.3
  20. 1.43
  21. 2/7
  22. 7/54
  23. 4.19
  24. 7/6
  25. 1
  26. 11
  27. 2.52
  28. 7/18
  29. 2/49
  30. 4
  31. 10/3
  32. 7/40
  33. 5/7
  34. 3
  35. 5/24
  36. 3/10
  37. 2/21
  38. 35/48
  39. 9/7
  40. 10

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