А) 8 9/14+3 3/7=(11 9+6:14)=11 15/14=12 1/14
б) 12 11/12+13/18= 12 (33+26:36)=12 59/36=
=13 23/36
в) 7 5/12-3 7/24= 4( 10-7:24)=4 3/24=4 1/8
г) 12 7/9-8 2/15=4 (35-6:45)=4 29/45
д) 24 11/16-17 1/6=7 (33-8:48)=7 25/48
ж) 4 3/16-5/8= 4 (6-5:16)=4 1/16
е) 8 23/30-7 11/20=1 (46-33:60)= 1 13/60
з) 6 4/9-3 7/6= 3 (24-63:54)=3 -39/54=
=2( 54-39:54)=2 15/54
и) 10 3/24-9 19/36=1 (6-57:12)=1-51/12=
=(60-51:60)=9/60 = 3/20
к) 22 10/51-18 2/34=4 (20-6:102)= 4 14/102 =
=4 7/51
л) 14 4/19-13 1/8=1 (32-19:152)=1 13/152
м) 62 9/11-45 1/22=17 (18-1:22)=17 17/22