138/3 divided by 81/5

138/3 ÷ 81/5
=
230 81
Mixed Number: 2 68/81
Decimal: 2.839506
Percentage: 283.95%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/5 becomes 5/81
  2. 2
    Multiply by reciprocal
    138/3 × 5/81
  3. 3
    Multiply numerators & denominators
    138 × 5 = 690    3 × 81 = 243
  4. 4
    Simplify
    690/243 = 230/81

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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