Вычислите 3 3/12+11/12, 3 3/12+1 11/12, 2/15+4 7/15,1 2/15+4 7/15, 14/15+4 7/15, 1 14/15+4 7/15

3 3/12+11/12=4 2/12=4 1/6
3 3/12+1 11/12=4 14/12=5 2/12=5 1/6
2/15+4 7/15=4 9/15=4 3/5
1 2/15+4 7/15=5 9/15=5 3/5
14/15+4 7/15=5 6/15=5 2/5
1 14/15+4 7/15=6 6/15=6 2/5