Bonsoir, J’aurais besoin de votre aide pour c’est fractions: A= 3/4x2/9+14/15x5/2 B= 1/3x6/5-3/10 Merci d’avance <3

A = 3/4 x 2/9 =6/36 = 1/6
+
14/15 x 5/2 = 70/30 = 7/3
=
1/6 + 7/3 = 1/6 + 14/6 = 15/6 = 5/2

B = 1/3 x 6/5 = 6/15
-
3/10
=
6/15 - 3/10 = 60/150 - 45/150 = 15/150
=
1/10