172/4 divided by 280/2

172/4 ÷ 280/2
=
43 140
Decimal: 0.307143
Percentage: 30.71%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    280/2 becomes 2/280
  2. 2
    Multiply by reciprocal
    172/4 × 2/280
  3. 3
    Multiply numerators & denominators
    172 × 2 = 344    4 × 280 = 1120
  4. 4
    Simplify
    344/1120 = 43/140

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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