1 2 4 3
(4 2/11-1 6/11)+7 4/11-(9/11+3 7/11)= 5 6/11
1) 4 2/11-1 6/11=3 2/11-6/11=35/11-6/11=29/11=2 7/11
2) 2 7/11+7 4/11=9 11/11=10
3) 9/11+3 7/11=3 16/11=4 5/11
4) 10-4 5/11=6-5/11=5 11/11-5/11=5 6/11
1 2 4 3
(4 2/11-1 6/11)+7 4/11-(9/11+3 7/11)= 5 6/11
1) 4 2/11-1 6/11=3 2/11-6/11=35/11-6/11=29/11=2 7/11
2) 2 7/11+7 4/11=9 11/11=10
3) 9/11+3 7/11=3 16/11=4 5/11
4) 10-4 5/11=6-5/11=5 11/11-5/11=5 6/11