Simplifier chaque fraction si possible 13/26 51/68 253/189 256/384

13/26 = (13 x 1)/(13 x 2) = 1/2

51/68 = (17 x 3)/(17 x 4) = 3/4

253/189 est irréductible.

256/384 = (128 x 2)/(128 x 3) = 2/3

Salut !

13/26=1/2
51/68=3/4
253/189=253/189
256/384=2/3

A bientôt !