3 7/9 + 5 1/6=8 17/18 ;
8 7/16 + 3 3/10= 11 59/80;
16 17/18 - 2 11/12 =14 1/6 ;.
18 13/48 - 5 3/64 =13 43/192
3 7/9 + 5 1/6=8 17/18 ;
8 7/16 + 3 3/10= 11 59/80;
16 17/18 - 2 11/12 =14 1/6 ;.
18 13/48 - 5 3/64 =13 43/192