40/4 divided by 81/5

40/4 ÷ 81/5
=
50 81
Decimal: 0.617284
Percentage: 61.73%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/5 becomes 5/81
  2. 2
    Multiply by reciprocal
    40/4 × 5/81
  3. 3
    Multiply numerators & denominators
    40 × 5 = 200    4 × 81 = 324
  4. 4
    Simplify
    200/324 = 50/81

How to Divide Fractions

To divide fractions, use "Keep, Change, Flip": keep the first fraction unchanged, change the ÷ to ×, then flip the second fraction. Multiply and simplify.

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