Question

выполните дейсвия:
2 1/5+2/3



5/6-5/12, 2-1 3/7

Answer 1

2 1/5+2/3= 2 3/15+10/15= 2 13/15
5/6-5/12=10/12-5/12=5/12
2-1 3/7= 1 7/7-1 3/7= 4/7