81/4 divided by 102/4

81/4 ÷ 102/4
=
27 34
Decimal: 0.794118
Percentage: 79.41%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    102/4 becomes 4/102
  2. 2
    Multiply by reciprocal
    81/4 × 4/102
  3. 3
    Multiply numerators & denominators
    81 × 4 = 324    4 × 102 = 408
  4. 4
    Simplify
    324/408 = 27/34

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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