← Fractions and decimals: multiply and divide lesson New set →

Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 88 · 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.One bag of potatoes weighs 4.6 kg. How many kg do 10 of them make in all? =
  2. 2.1/9 ÷ 3/8 =
  3. 3.3.2 ÷ 0.4 =
  4. 4.1/5 × 1/4 =
  5. 5.1.5 ÷ 0.3 =
  6. 6.9.9 × 0.5 =
  7. 7.One bottle of oil holds 8.8 L. How many L do 6 of them make in all? =
  8. 8.1.1 × 0.3 =
  9. 9.7.16 ÷ 2 =
  10. 10.3/7 × 9 =
  11. 11.5/6 × 2 =
  12. 12.4.4 × 0.7 =
  13. 13.1/6 × 5/6 =
  14. 14.1/5 × 6 =
  15. 15.4/7 × 2/7 =
  16. 16.2/9 × 7 =
  17. 17.12.84 ÷ 2 =
  18. 18.2/9 ÷ 4/9 =
  19. 19.34.9 ÷ 5 =
  20. 20.6/7 × 9 =
  21. 21.9.4 × 0.6 =
  22. 22.4/7 × 10 =
  23. 23.2.8 ÷ 0.7 =
  24. 24.5.72 ÷ 2 =
  25. 25.2.1 × 0.9 =
  26. 26.3/8 × 4/7 =
  27. 27.5/8 × 5/6 =
  28. 28.1/3 × 2 =
  29. 29.3/4 ÷ 2/9 =
  30. 30.1/7 ÷ 3/4 =
  31. 31.4.5 ÷ 0.5 =
  32. 32.3/4 × 14 =
  33. 33.2.9 × 0.7 =
  34. 34.4.2 ÷ 0.6 =
  35. 35.1/6 × 1/2 =
  36. 36.1/2 × 4 =
  37. 37.2/5 ÷ 3/5 =
  38. 38.1/4 × 1/9 =
  39. 39.5/7 ÷ 4/7 =
  40. 40.42.65 ÷ 5 =

Answer key

  1. 46
  2. 8/27
  3. 8
  4. 1/20
  5. 5
  6. 4.95
  7. 52.8
  8. 0.33
  9. 3.58
  10. 27/7
  11. 5/3
  12. 3.08
  13. 5/36
  14. 6/5
  15. 8/49
  16. 14/9
  17. 6.42
  18. 1/2
  19. 6.98
  20. 54/7
  21. 5.64
  22. 40/7
  23. 4
  24. 2.86
  25. 1.89
  26. 3/14
  27. 25/48
  28. 2/3
  29. 27/8
  30. 4/21
  31. 9
  32. 21/2
  33. 2.03
  34. 7
  35. 1/12
  36. 2
  37. 2/3
  38. 1/36
  39. 5/4
  40. 8.53

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets