18/2 divided by 81/4

18/2 ÷ 81/4
=
4 9
Decimal: 0.444444
Percentage: 44.44%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/4 becomes 4/81
  2. 2
    Multiply by reciprocal
    18/2 × 4/81
  3. 3
    Multiply numerators & denominators
    18 × 4 = 72    2 × 81 = 162
  4. 4
    Simplify
    72/162 = 4/9

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.

Try Another Calculation