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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 247 · 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. 1.5/6 × 6 =
  2. 2.4/7 ÷ 7/8 =
  3. 3.1/2 × 1/6 =
  4. 4.6/7 × 4 =
  5. 5.3.64 ÷ 4 =
  6. 6.0.6 ÷ 0.3 =
  7. 7.1/4 × 5 =
  8. 8.One packet of rice weighs 1.6 kg. How many kg do 6 of them make in all? =
  9. 9.45.36 ÷ 8 =
  10. 10.3/5 ÷ 4/9 =
  11. 11.32.45 ÷ 5 =
  12. 12.2.4 × 0.2 =
  13. 13.5/7 × 5 =
  14. 14.4/5 × 1/6 =
  15. 15.1/2 × 5/6 =
  16. 16.3/7 × 6/7 =
  17. 17.1/7 × 11 =
  18. 18.1/2 × 2/3 =
  19. 19.6/7 × 15 =
  20. 20.3.1 × 0.5 =
  21. 21.2.32 ÷ 2 =
  22. 22.One packet of rice weighs 9.9 kg. How many kg do 7 of them make in all? =
  23. 23.One bottle of oil holds 7.9 L. How many L do 4 of them make in all? =
  24. 24.One jug of milk holds 5.4 L. How many L do 9 of them make in all? =
  25. 25.5 ÷ 0.5 =
  26. 26.33.92 ÷ 4 =
  27. 27.34.2 ÷ 5 =
  28. 28.2/5 × 5/9 =
  29. 29.1/2 ÷ 1/7 =
  30. 30.4/9 × 3/4 =
  31. 31.7.6 × 0.2 =
  32. 32.One bag of potatoes weighs 5 kg. How many kg do 7 of them make in all? =
  33. 33.2/7 × 3/7 =
  34. 34.3 ÷ 0.6 =
  35. 35.3.6 ÷ 0.9 =
  36. 36.1/7 ÷ 5/8 =
  37. 37.One jug of milk holds 5.2 L. How many L do 5 of them make in all? =
  38. 38.2.9 × 0.7 =
  39. 39.5/9 × 7 =
  40. 40.1/7 × 10 =

Answer key

  1. 5
  2. 32/49
  3. 1/12
  4. 24/7
  5. 0.91
  6. 2
  7. 5/4
  8. 9.6
  9. 5.67
  10. 27/20
  11. 6.49
  12. 0.48
  13. 25/7
  14. 2/15
  15. 5/12
  16. 18/49
  17. 11/7
  18. 1/3
  19. 90/7
  20. 1.55
  21. 1.16
  22. 69.3
  23. 31.6
  24. 48.6
  25. 10
  26. 8.48
  27. 6.84
  28. 2/9
  29. 7/2
  30. 1/3
  31. 1.52
  32. 35
  33. 6/49
  34. 5
  35. 4
  36. 8/35
  37. 26
  38. 2.03
  39. 35/9
  40. 10/7

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