(3/4+1/3)/(2-7/3) Bonjours pouvez vous m’aider svp

Bonsoir,

A = (3/4 + 1/3) / (2 - 7/3)

Calculer:

3/4 = (3 x 3)/(4 x 3) = 9/12

1/3 = (1 x 4)/(3 x 4) = 4/12

2 = 6/3

7/3 = 7/3

→ On remplace:

A = (9/12 + 4/12) / (6/3 - 7/3)

A = (13/12) / (-1/3)

A = 13/12 x 3/(-1)

A = 13/12 x (-3)

A = - 39/12

A = - 13/4 = -3,25

(a / b) / (c / d) = (a / b) x (d / c)

Bonne soirée.

Bonsoir,

(3/4+1/3)/(2-7/3)

=[(9+4)/12]/[(6-7)/3]

=(13/12)/(-1/3)

=(13/12)×(-3)

= -13/4