Does This Example Violate the Law of Multiple Proportions?

[breez]

Doesn't this violate law of multiple proportions?

N2O3 has 2/3 N for every O
NO2 has 1/2 N for every O

(2/3)/(1/2) = 4/3, not a whole number.

 

[Borek]

It is about proportions in compounds, not proportions of proportions :)