X&Y are partners sharing the profits in the ratio of 3:2. They admit Z who takes 2/7 from X and 1/7 from Y. The new profit sharing ratio will be:
11:9:15
New share of X= 3/5-2/7=11/35
New share of Y=2/5-1/7=9/35
Z's share = 2/7+1/7=3/7=15/35
New ratio= 11:9:15