2/7+25/6+3 5/7+1 1/6
2/7+2 5/6+3 5/7+1 1/6 = 4 + 4 = 8
2/7+2 5/6+3 5/7+1 1/6
2/7+17/6+40/7+7/6
42/7+24/6
6+4=10