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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 224 · 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. 1.1/6 × 2 =
  2. 2.44.96 ÷ 8 =
  3. 3.26.1 ÷ 5 =
  4. 4.One bottle of oil holds 6.8 L. How many L do 12 of them make in all? =
  5. 5.2/9 ÷ 2/7 =
  6. 6.3/5 × 5/8 =
  7. 7.1/7 ÷ 2/5 =
  8. 8.7.7 × 0.3 =
  9. 9.3.36 ÷ 4 =
  10. 10.7/8 × 1/9 =
  11. 11.30.9 ÷ 5 =
  12. 12.1.2 ÷ 0.3 =
  13. 13.7/9 ÷ 5/6 =
  14. 14.16.92 ÷ 2 =
  15. 15.2/5 × 4/5 =
  16. 16.1/5 × 5/9 =
  17. 17.1.9 × 0.3 =
  18. 18.1/7 × 6/7 =
  19. 19.2/9 ÷ 2/9 =
  20. 20.0.6 ÷ 5 =
  21. 21.4/7 × 5/7 =
  22. 22.3.3 ÷ 0.3 =
  23. 23.2/3 × 1/8 =
  24. 24.1/4 × 2/9 =
  25. 25.2.4 ÷ 0.6 =
  26. 26.8/9 × 11 =
  27. 27.5.02 ÷ 2 =
  28. 28.One packet of rice weighs 4.4 kg. How many kg do 12 of them make in all? =
  29. 29.1/5 × 2/7 =
  30. 30.5/8 ÷ 2/5 =
  31. 31.0.4 × 0.4 =
  32. 32.6/7 × 2 =
  33. 33.1/9 × 1/2 =
  34. 34.2.5 × 0.2 =
  35. 35.4.9 × 0.6 =
  36. 36.2.18 ÷ 2 =
  37. 37.2/9 ÷ 8/9 =
  38. 38.2/3 × 8/9 =
  39. 39.8.05 ÷ 5 =
  40. 40.1/4 ÷ 4/9 =

Answer key

  1. 1/3
  2. 5.62
  3. 5.22
  4. 81.6
  5. 7/9
  6. 3/8
  7. 5/14
  8. 2.31
  9. 0.84
  10. 7/72
  11. 6.18
  12. 4
  13. 14/15
  14. 8.46
  15. 8/25
  16. 1/9
  17. 0.57
  18. 6/49
  19. 1
  20. 0.12
  21. 20/49
  22. 11
  23. 1/12
  24. 1/18
  25. 4
  26. 88/9
  27. 2.51
  28. 52.8
  29. 2/35
  30. 25/16
  31. 0.16
  32. 12/7
  33. 1/18
  34. 0.5
  35. 2.94
  36. 1.09
  37. 1/4
  38. 16/27
  39. 1.61
  40. 9/16

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