129/2 divided by 39/4

129/2 ÷ 39/4
=
86 13
Mixed Number: 6 8/13
Decimal: 6.615385
Percentage: 661.54%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    39/4 becomes 4/39
  2. 2
    Multiply by reciprocal
    129/2 × 4/39
  3. 3
    Multiply numerators & denominators
    129 × 4 = 516    2 × 39 = 78
  4. 4
    Simplify
    516/78 = 86/13

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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