(7/16+5/12)*1 7/41+1 1/39 : (4/13-20/39

1) 7/16+5/12=21/48+20/48=41/48 2) 4/13-20/39=12/39-20/39=-8/39 3) 41/48* 48/41=1 4) 1 1/39:(-8/39)=40/39*(-39/8)=-5 5) 1+(-5)=-4