7/15+2/3=7/15+10/15=17/15=1 2/15
11/12+5/6=11/12+10/12=21/12=1 9/12= 1 3/4
5/12+11/18= 15/36+22/36= 37/36= 1 1/36
3/4+7/8= 6/8+7/8= 13/8= 1 5/8
7/15+2/3=7/15+10/15=17/15=1 2/15
11/12+5/6=11/12+10/12=21/12=1 9/12= 1 3/4
5/12+11/18= 15/36+22/36= 37/36= 1 1/36
3/4+7/8= 6/8+7/8= 13/8= 1 5/8