81/3 divided by 139/4

81/3 ÷ 139/4
=
108 139
Decimal: 0.776978
Percentage: 77.7%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    139/4 becomes 4/139
  2. 2
    Multiply by reciprocal
    81/3 × 4/139
  3. 3
    Multiply numerators & denominators
    81 × 4 = 324    3 × 139 = 417
  4. 4
    Simplify
    324/417 = 108/139

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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