18/4 divided by 20/2

18/4 ÷ 20/2
=
9 20
Decimal: 0.45
Percentage: 45%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    20/2 becomes 2/20
  2. 2
    Multiply by reciprocal
    18/4 × 2/20
  3. 3
    Multiply numerators & denominators
    18 × 2 = 36    4 × 20 = 80
  4. 4
    Simplify
    36/80 = 9/20

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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