InvestorQ : A and B are partner in a firm sharing profit in the ratio 2:1.C joins the firm.A surrender 1/4 of his share and B 1/5 of his share in favour of C.Find the new profit sharing ratio

A and B are partner in a firm sharing profit in the ratio 2:1.C joins the firm.A surrender 1/4 of his share and B 1/5 of his share in favour of C.Find the new profit sharing ratio