Bonsoir, combines font: A= 39:-24x 18:65 B= 45:49x 35:54 Merci d’avance !

Bonsoir;

A= 39/-24x 18/65

(39*18) / ( -24* 65 )

= 702/ -1 560

= -351/780

= -117/260

= -9/20

B= 45/49x 35/54

(45*35)/( 49* 54 )

= 1 575/2 646

=525/882

=175/294

= 25/42