-2 2/7+4 3/5=-16/7+23/5=-80/35+161/35=81/35=2 11/35
3/8:(-9/16)=3/8*(-16/9)=-2/3
-3 2/9*3=-29/9*3=-29/3=-9 2/3
-16:(-4/9)=-16*(-9/4)=36
-2 2/7+4 3/5=-16/7+23/5=-80/35+161/35=81/35=2 11/35
3/8:(-9/16)=3/8*(-16/9)=-2/3
-3 2/9*3=-29/9*3=-29/3=-9 2/3
-16:(-4/9)=-16*(-9/4)=36