100/2 divided by 80/4

100/2 ÷ 80/4
=
5 2
Mixed Number: 2 1/2
Decimal: 2.5
Percentage: 250%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    80/4 becomes 4/80
  2. 2
    Multiply by reciprocal
    100/2 × 4/80
  3. 3
    Multiply numerators & denominators
    100 × 4 = 400    2 × 80 = 160
  4. 4
    Simplify
    400/160 = 5/2

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.

Try Another Calculation