81/4 divided by 170/4

81/4 ÷ 170/4
=
81 170
Decimal: 0.476471
Percentage: 47.65%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    170/4 becomes 4/170
  2. 2
    Multiply by reciprocal
    81/4 × 4/170
  3. 3
    Multiply numerators & denominators
    81 × 4 = 324    4 × 170 = 680
  4. 4
    Simplify
    324/680 = 81/170

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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