18/4 divided by 28/5

18/4 ÷ 28/5
=
45 56
Decimal: 0.803571
Percentage: 80.36%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    28/5 becomes 5/28
  2. 2
    Multiply by reciprocal
    18/4 × 5/28
  3. 3
    Multiply numerators & denominators
    18 × 5 = 90    4 × 28 = 112
  4. 4
    Simplify
    90/112 = 45/56

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