Gaining Ratio Questions

Murli, Naveen and Omprakesh are partners sharing profits in the ratio of $\frac{3}{8}$, $\frac{1}{2}$ and $\frac{1}{8}$. Murli retires and surrenders $\frac{2}{3}\text{rd}$ of his share in favour of Naveen and the remaining share in favour of Omprakesh. The gaining ratio of the remaining partners is-