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Class 7 Maths Worksheet: Fractions and Decimals

Maths worksheets lesson 50: Fractions and decimals: multiply and divide · Set 266 · 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 ÷ 0.5 =
  2. 2.2.1 ÷ 0.7 =
  3. 3.1/4 × 3 =
  4. 4.5/9 ÷ 1/9 =
  5. 5.One bottle of oil holds 4.6 L. How many L do 5 of them make in all? =
  6. 6.1/3 × 2/5 =
  7. 7.3/7 × 1/8 =
  8. 8.One roll of ribbon has 7.7 m. How many m do 12 of them make in all? =
  9. 9.5/8 ÷ 5/8 =
  10. 10.2.1 × 0.7 =
  11. 11.2.4 ÷ 0.6 =
  12. 12.2/9 ÷ 3/8 =
  13. 13.One roll of ribbon has 4.7 m. How many m do 7 of them make in all? =
  14. 14.70.08 ÷ 8 =
  15. 15.6/7 × 2/5 =
  16. 16.2/9 × 11 =
  17. 17.2/3 ÷ 3/5 =
  18. 18.2 ÷ 0.5 =
  19. 19.1/7 × 13 =
  20. 20.1/2 × 1/7 =
  21. 21.8.4 ÷ 0.7 =
  22. 22.5/9 × 12 =
  23. 23.2.2 × 0.9 =
  24. 24.8/9 × 1/3 =
  25. 25.4/9 × 3/4 =
  26. 26.2.4 ÷ 0.3 =
  27. 27.7/9 ÷ 2/5 =
  28. 28.4/9 × 14 =
  29. 29.5/7 × 1/4 =
  30. 30.2/9 × 9 =
  31. 31.3/4 × 8 =
  32. 32.0.7 × 0.6 =
  33. 33.2/5 × 15 =
  34. 34.1/5 × 14 =
  35. 35.2/9 × 1/8 =
  36. 36.3/5 × 3/7 =
  37. 37.2/5 × 6 =
  38. 38.7/9 × 1/4 =
  39. 39.38.75 ÷ 5 =
  40. 40.1/8 ÷ 1/6 =

Answer key

  1. 10
  2. 3
  3. 3/4
  4. 5
  5. 23
  6. 2/15
  7. 3/56
  8. 92.4
  9. 1
  10. 1.47
  11. 4
  12. 16/27
  13. 32.9
  14. 8.76
  15. 12/35
  16. 22/9
  17. 10/9
  18. 4
  19. 13/7
  20. 1/14
  21. 12
  22. 20/3
  23. 1.98
  24. 8/27
  25. 1/3
  26. 8
  27. 35/18
  28. 56/9
  29. 5/28
  30. 2
  31. 6
  32. 0.42
  33. 6
  34. 14/5
  35. 1/36
  36. 9/35
  37. 12/5
  38. 7/36
  39. 7.75
  40. 3/4

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