90/4 divided by 91/2

90/4 ÷ 91/2
=
45 91
Decimal: 0.494505
Percentage: 49.45%

Step-by-Step Solution

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

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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