18/4 divided by 81/4

18/4 ÷ 81/4
=
2 9
Decimal: 0.222222
Percentage: 22.22%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/4 becomes 4/81
  2. 2
    Multiply by reciprocal
    18/4 × 4/81
  3. 3
    Multiply numerators & denominators
    18 × 4 = 72    4 × 81 = 324
  4. 4
    Simplify
    72/324 = 2/9

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