312/4 divided by 243/2

312/4 ÷ 243/2
=
52 81
Decimal: 0.641975
Percentage: 64.2%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    243/2 becomes 2/243
  2. 2
    Multiply by reciprocal
    312/4 × 2/243
  3. 3
    Multiply numerators & denominators
    312 × 2 = 624    4 × 243 = 972
  4. 4
    Simplify
    624/972 = 52/81

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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