40/2 divided by 90/4

40/2 ÷ 90/4
=
8 9
Decimal: 0.888889
Percentage: 88.89%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    90/4 becomes 4/90
  2. 2
    Multiply by reciprocal
    40/2 × 4/90
  3. 3
    Multiply numerators & denominators
    40 × 4 = 160    2 × 90 = 180
  4. 4
    Simplify
    160/180 = 8/9

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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