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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 82 · 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. 1.3/4 × 1/4 =
  2. 2.1.5 ÷ 0.5 =
  3. 3.2/7 × 3/5 =
  4. 4.4/7 × 4 =
  5. 5.8.8 × 0.6 =
  6. 6.1/4 × 13 =
  7. 7.7/8 × 2/5 =
  8. 8.2/5 × 4 =
  9. 9.3/5 ÷ 4/5 =
  10. 10.11.36 ÷ 2 =
  11. 11.5.7 × 0.5 =
  12. 12.7/9 × 1/7 =
  13. 13.1/6 ÷ 3/5 =
  14. 14.1.2 ÷ 0.2 =
  15. 15.5.6 ÷ 0.8 =
  16. 16.13.76 ÷ 8 =
  17. 17.3/8 × 8/9 =
  18. 18.21.44 ÷ 8 =
  19. 19.7.7 × 0.6 =
  20. 20.3.2 × 0.4 =
  21. 21.5/9 × 6/7 =
  22. 22.5.5 × 0.8 =
  23. 23.2.1 ÷ 0.3 =
  24. 24.8.76 ÷ 2 =
  25. 25.8.04 ÷ 4 =
  26. 26.8.1 × 0.9 =
  27. 27.1/4 × 5/8 =
  28. 28.19 ÷ 4 =
  29. 29.4/7 ÷ 1/4 =
  30. 30.6/7 ÷ 1/4 =
  31. 31.9.5 × 0.6 =
  32. 32.2/5 × 13 =
  33. 33.29.08 ÷ 4 =
  34. 34.One jug of milk holds 1.2 L. How many L do 7 of them make in all? =
  35. 35.6/7 × 1/4 =
  36. 36.0.3 × 0.7 =
  37. 37.42.5 ÷ 5 =
  38. 38.47.12 ÷ 8 =
  39. 39.1/2 × 3/5 =
  40. 40.1/6 ÷ 1/3 =

Answer key

  1. 3/16
  2. 3
  3. 6/35
  4. 16/7
  5. 5.28
  6. 13/4
  7. 7/20
  8. 8/5
  9. 3/4
  10. 5.68
  11. 2.85
  12. 1/9
  13. 5/18
  14. 6
  15. 7
  16. 1.72
  17. 1/3
  18. 2.68
  19. 4.62
  20. 1.28
  21. 10/21
  22. 4.4
  23. 7
  24. 4.38
  25. 2.01
  26. 7.29
  27. 5/32
  28. 4.75
  29. 16/7
  30. 24/7
  31. 5.7
  32. 26/5
  33. 7.27
  34. 8.4
  35. 3/14
  36. 0.21
  37. 8.5
  38. 5.89
  39. 3/10
  40. 1/2

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