20/4 divided by 40/4

20/4 ÷ 40/4
=
1 2
Decimal: 0.5
Percentage: 50%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    40/4 becomes 4/40
  2. 2
    Multiply by reciprocal
    20/4 × 4/40
  3. 3
    Multiply numerators & denominators
    20 × 4 = 80    4 × 40 = 160
  4. 4
    Simplify
    80/160 = 1/2

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.

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