Ответ:
Пошаговое объяснение:
=5/16+9/12=15/48+36/48=51/48=1 3/48=1 1/16
=4/9+13/27=12/27+13/27=25/27
=3/25+3/10+7/20=12/100+30/100+35/100=77/100
=7/12+13/30+3/20=35/60+26/60+9/60=70/60=1 10/60=1 1/6
=7/20+5/8+7/40=14/40+25/40+7/40=46/40=1 6/40=1 3/20
=5/8+11/48+5/16=30/48+11/48+15/48=56/48=1 8/48=1 1/6