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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 428 · 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. 1.1/3 ÷ 1/6 =
  2. 2.One bottle of oil holds 4 L. How many L do 7 of them make in all? =
  3. 3.4.5 ÷ 0.9 =
  4. 4.4.4 ÷ 0.4 =
  5. 5.7.1 × 0.8 =
  6. 6.1.8 ÷ 0.3 =
  7. 7.7.6 × 0.6 =
  8. 8.19.98 ÷ 2 =
  9. 9.8.8 ÷ 0.8 =
  10. 10.2/7 × 5/8 =
  11. 11.1.2 × 0.8 =
  12. 12.6 ÷ 0.5 =
  13. 13.1/4 × 2/5 =
  14. 14.13.12 ÷ 2 =
  15. 15.2.4 ÷ 0.4 =
  16. 16.3.36 ÷ 2 =
  17. 17.1/9 × 7 =
  18. 18.2/3 ÷ 4/7 =
  19. 19.10.04 ÷ 2 =
  20. 20.4/7 ÷ 4/7 =
  21. 21.4/9 × 12 =
  22. 22.1/5 × 7 =
  23. 23.8.1 × 0.3 =
  24. 24.1/6 ÷ 4/5 =
  25. 25.5.3 × 0.7 =
  26. 26.4/7 × 2 =
  27. 27.4 ÷ 0.4 =
  28. 28.2/9 × 1/8 =
  29. 29.7.5 × 0.4 =
  30. 30.24.2 ÷ 4 =
  31. 31.5/8 × 1/9 =
  32. 32.2 ÷ 0.4 =
  33. 33.7/8 × 3 =
  34. 34.7.1 × 0.7 =
  35. 35.27.36 ÷ 4 =
  36. 36.3/8 × 2 =
  37. 37.3/4 × 5/8 =
  38. 38.5/7 × 4/7 =
  39. 39.12.92 ÷ 2 =
  40. 40.1.6 × 0.8 =

Answer key

  1. 2
  2. 28
  3. 5
  4. 11
  5. 5.68
  6. 6
  7. 4.56
  8. 9.99
  9. 11
  10. 5/28
  11. 0.96
  12. 12
  13. 1/10
  14. 6.56
  15. 6
  16. 1.68
  17. 7/9
  18. 7/6
  19. 5.02
  20. 1
  21. 16/3
  22. 7/5
  23. 2.43
  24. 5/24
  25. 3.71
  26. 8/7
  27. 10
  28. 1/36
  29. 3
  30. 6.05
  31. 5/72
  32. 5
  33. 21/8
  34. 4.97
  35. 6.84
  36. 3/4
  37. 15/32
  38. 20/49
  39. 6.46
  40. 1.28

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