Raman can do a piece of work in 56 days, while Subir can do it in 104 days. Raman works on Day 1, while Subir works on Day 2. This process of each working on alternate days continues till the work is complete. How long did it take the duo to complete the work in this manner?
1
\(77\frac{4}{5}\) days
2
\(72\frac{8}{13}\) days
3
\(72\frac{2}{3}\) days
4
\(72\frac{10}{13}\)days