Question

A submarine at the surface dives 266 2/3 and then another 66 2/3 what is the final depth of the submarine?

Answer 1

2/3+2/3=1and 1/3
then you add 266 and 66 which is 332 and after that you add the 1 and 1/3.
that means that the answer is 333 and 1/3.