6-1 1/2=5 -1/2=4+ 2/2-1/2=4 1/2
4-2 3/5=2 –
3/5=1+5/5-3/5=1 2/5
7-1 2/3=6
-2/3=5+3/3-2/3=5 1/3
4-1 1/6=3-1/6=2+6/6-1/6=2
5/6
7 5/8-1/8=
7 4/8=7 1/2
10 8/9-2/9=10
6/9=101/3
1 3/4-1/4=
1 2/4=1 1/2
)4 7/8-2 1/8=2+7/8-1/8=2 6/8=2 3/4
9 2/11-8 1/11=1+
2/11-1/11=2 1/11
4 2/5 - 4 1/5=
2/5-1/5=1/5