129/3 divided by 81/4

129/3 ÷ 81/4
=
172 81
Mixed Number: 2 10/81
Decimal: 2.123457
Percentage: 212.35%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    81/4 becomes 4/81
  2. 2
    Multiply by reciprocal
    129/3 × 4/81
  3. 3
    Multiply numerators & denominators
    129 × 4 = 516    3 × 81 = 243
  4. 4
    Simplify
    516/243 = 172/81

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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