90/2 divided by 31/4

90/2 ÷ 31/4
=
180 31
Mixed Number: 5 25/31
Decimal: 5.806452
Percentage: 580.65%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    31/4 becomes 4/31
  2. 2
    Multiply by reciprocal
    90/2 × 4/31
  3. 3
    Multiply numerators & denominators
    90 × 4 = 360    2 × 31 = 62
  4. 4
    Simplify
    360/62 = 180/31

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.

Try Another Calculation