pourriez vous m aidez svp : (2/3+3/4) - (1/6+1/3) =​

(2/3+3/4)-(1/6+1/3)
= (2x4/3x4 + 3x3/4x3) - (1/6+1x2/3x2)
= (8/12+9/12) - (1/6+2/6)
= 17/12-3/6
= 17/12 - 3x2/6x2
= 17/12 - 6/12
=11/12