45/4 divided by 55/2

45/4 ÷ 55/2
=
9 22
Decimal: 0.409091
Percentage: 40.91%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    55/2 becomes 2/55
  2. 2
    Multiply by reciprocal
    45/4 × 2/55
  3. 3
    Multiply numerators & denominators
    45 × 2 = 90    4 × 55 = 220
  4. 4
    Simplify
    90/220 = 9/22

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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