7\10МИНУС2\15 И 5\12ПЛЮС3\8

Question

7\10МИНУС2\15 И 5\12ПЛЮС3\8

Answer 1

7\10-2\15=21\30-4\30=17\30
5\12+3\8=10\24+9\24=19\24

Answer 2

7/10-2/15=17/30
5/12+3/8=19/24