129/2 divided by 42/4

129/2 ÷ 42/4
=
43 7
Mixed Number: 6 1/7
Decimal: 6.142857
Percentage: 614.29%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    42/4 becomes 4/42
  2. 2
    Multiply by reciprocal
    129/2 × 4/42
  3. 3
    Multiply numerators & denominators
    129 × 4 = 516    2 × 42 = 84
  4. 4
    Simplify
    516/84 = 43/7

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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