91/2 divided by 90/4

91/2 ÷ 90/4
=
91 45
Mixed Number: 2 1/45
Decimal: 2.022222
Percentage: 202.22%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    90/4 becomes 4/90
  2. 2
    Multiply by reciprocal
    91/2 × 4/90
  3. 3
    Multiply numerators & denominators
    91 × 4 = 364    2 × 90 = 180
  4. 4
    Simplify
    364/180 = 91/45

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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