Amit can complete a piece of work in 4 days and Raju can complete the same in 6 days. How long will they take, if both Amit and Raju work together?
1
\(\rm1\frac{3}{5}days\)
2
\(\rm2\frac{2}{5}days\)
3
\(\rm5\frac{2}{5}days\)
4
\(\rm3\frac{1}{5}days\)