Question

а 7 5/12+ 4 3/8
б 3 11/20+ 2 19/30

в 9 5/6- 2 3/4
г 3 3/10-1 7/15

Answer 1

7 5/12+4 3/8=11 19/24
3 11/20+ 2 19/30=6 11/60
9 5/6-2 3/4=7 1/12
3 3/10-1 7/15=1 5/6