解:7/8-3/4+1/猛枝6=7/8-6/8+1/6=1/8+1/6=3/源樱24+4/24=7/雹知丛24
分数态扒计陵则算7/8-3/4+ 1/6=21/24-18/24+4/24=7/尺闭棚24