This is blatantly a terminology question, but it's bugging me. If a comma is used in french to separate the one's and tenth's place, e.g. $5/4=1,25$, how do you write the ordered pair $(5/4,6)$? Surely $(1,25,6)$ is ambiguous since it could be interpreted as $(5/4,6)$ or $(1,256/10)$? What do they do in school there?

This is blatantly a terminology question, but it's bugging me.

If a comma is used in French to separate the one's and tenth's place, e.g. $5/4=1,25$, how do you write the ordered pair $(5/4,6)$?

Surely $(1,25,6)$ is ambiguous since it could be interpreted as $(5/4,6)$ or $(1,256/10)$? What do they do in school there?