40/4 divided by 42/2

40/4 ÷ 42/2
=
10 21
Decimal: 0.47619
Percentage: 47.62%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    42/2 becomes 2/42
  2. 2
    Multiply by reciprocal
    40/4 × 2/42
  3. 3
    Multiply numerators & denominators
    40 × 2 = 80    4 × 42 = 168
  4. 4
    Simplify
    80/168 = 10/21

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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