3 1\2+1 5/6=7/2+11/6=21/6+11/6=32/6=5 2/6=5 1/3
4 2/5+9 3/7=22/5+66/7=154/35+330/35=484/35=13 29/35
8 3/4+2 7/8=35/4+23/8=70/8+23/8=93/8=11 5/8
2 3/8+1 5/6=19/8+11/6=57/24+44/24=101/24=4 5/24
6 1/5+ 1 2/3=31/5+5/3=93/15+25/15=118/15= 7 13/15
4 3/8+8 1/2=35/8+68/8=103/8=12 7/8
3 4/5-2 2/5=3-2=1 и 4/5-2/5=2/5 ==1 2/5
7 5/6-4 2/3=47/6-14/3=47/6-28/6=19/6=3 1 /3
4 5/6-2 5/12=58/12-29/12=29/12=2 5/12
10 4/9-8 5 /18=188/18-149/18=39/18=2 1/6
9 1/2-2 1/4=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 1/4
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=86/10-63/10=23/10=2 3/10