171/2 divided by 90/4

171/2 ÷ 90/4
=
19 5
Mixed Number: 3 4/5
Decimal: 3.8
Percentage: 380%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    90/4 becomes 4/90
  2. 2
    Multiply by reciprocal
    171/2 × 4/90
  3. 3
    Multiply numerators & denominators
    171 × 4 = 684    2 × 90 = 180
  4. 4
    Simplify
    684/180 = 19/5

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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