90/3 divided by 81/4

90/3 ÷ 81/4
=
40 27
Mixed Number: 1 13/27
Decimal: 1.481481
Percentage: 148.15%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/4 becomes 4/81
  2. 2
    Multiply by reciprocal
    90/3 × 4/81
  3. 3
    Multiply numerators & denominators
    90 × 4 = 360    3 × 81 = 243
  4. 4
    Simplify
    360/243 = 40/27

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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