Question

A piece of land is divided among three people, Jan,David and Greg. Jan is allocated 7/12 of the land and David receives 1:6 of the land.

What fraction of the land does Greg receive?

Answer 1

Greg receives 1-7/12-1/6=12/12-7/12-2/12=(12-7-2)/12=3/12=1/4 of the land.