1) 49/80 + 15/16 + 11/32=49/80 + (15*2+11)/32 =49/80 + 41/32=(49*4+41*10)/320=606/320=303/160.
2) 17/24 + 14/15 + 19/45=17/24 + (14*3+19)/45=17/24 + 61/45=(17*15+61*8)/360=743/360.
1) 49/80 + 15/16 + 11/32=49/80 + (15*2+11)/32 =49/80 + 41/32=(49*4+41*10)/320=606/320=303/160.
2) 17/24 + 14/15 + 19/45=17/24 + (14*3+19)/45=17/24 + 61/45=(17*15+61*8)/360=743/360.