3 4/5 - 2 3/5=1 1/5
7 5/6 - 4 2/3=47/6-14/3=47/6 - 28/6=19/6=3 1/6
4 5/6 -2 5/12=29/6-29/12=58/12-29/12=29/12=
=2 5/12
9 1/2-2 1/4=19/2-9/4=38/4-9/4=29/4=7 1/4
6 3/4-2 2/3=27/4-8/3=81/12-32/12=49/12=
=4 1/12
11 3/7-5 1/3=80/7-16/3=240/21-112/21=
=128/21=6 2/21
8 3/5-6 3/10=43/5-63/10=86/10-63/10=23/10=
=2 3/10
остальное плохо видно