13/6:(35/4-22/4)=13/6*4/13=1 1/2
77/20:(51/15+26/15)=77/20*3/5=2 31/100
(23/5-11/5)*10/11=120/55=2,182
(17/10+8/10)*8/15=72/150=36/75
25/8*16/15-1/4=5*2/3-1/4=40/12-3/12=3 1/12
44/35:(18/15+10/15)=66/98=33/49
(93/8+43/6)*12/41=(279/24+172/24)*12/41=1284/984= 1 25/82
(103/12-21/8)*6/13=(206/24-63/24)*6/13=143*6/24*13=11/4=2 3/4