Question

решите: 2 7/15+3 13/15, 4 8/12+2 6/12,

Answer 1

1)2 7/15+3 13/15=5 20/15=6 5/15=6 1/3; /// 2)4 8/12+2 6/12=6 14/12=7 2/12=7 1/6