A can do `(2)/(3)` of a certain work in 16 days and B can do `(1)/(4)` of the same work in 3 days. In how many days can both finish the work, working together?

A can do (1)/(5)th of a work in 4 days and B can do (1)/(6) th of the same work in 5 days. In how many days they can finish the work, if they work together?

A can do a piece of work in 16 days and B can do the same work in 20 days.In how many days can they do the same work,working together?

A can do (1)/(4) th of a piece of work in one day. While B can do (1)/(6) th of the work in a day. In how many days can they do the same work, working together?

A can do (1)/(4) th of a piece of work in one day. While B can do (1)/(6) th of the work in a day. In how many days can they do the same work, working together?

A can do (1)/(3) of a certain work in 12 days and B can do (1)/(6) of the same work in 4 days. Find, in how many days will they together complete the work ?