40/4 divided by 39/2

40/4 ÷ 39/2
=
20 39
Decimal: 0.512821
Percentage: 51.28%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    39/2 becomes 2/39
  2. 2
    Multiply by reciprocal
    40/4 × 2/39
  3. 3
    Multiply numerators & denominators
    40 × 2 = 80    4 × 39 = 156
  4. 4
    Simplify
    80/156 = 20/39

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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