5/12+1/6=5/12+2/12=7/12答案是十二分之七。
十二分之五加六分之一等于（十二分之七）；5/12+1/6=5/12+2/12=7/12
5/12+1/6=5/12+2/13=7/12希望能帮到你！
解：5/12+1/6=5/12+2/12=7/12
