81/2 divided by 39/4

81/2 ÷ 39/4
=
54 13
Mixed Number: 4 2/13
Decimal: 4.153846
Percentage: 415.38%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    39/4 becomes 4/39
  2. 2
    Multiply by reciprocal
    81/2 × 4/39
  3. 3
    Multiply numerators & denominators
    81 × 4 = 324    2 × 39 = 78
  4. 4
    Simplify
    324/78 = 54/13

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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