What is the ratio as a fraction of 3 sailboats to 6 motorboats?

The ratio of sailboats to motorboats is 3:6. To express this ratio as a fraction, you need to simplify it by dividing both numbers by their greatest common factor, which in this case is 3. So, the simplified fraction is 1:2, which means for every 1 sailboat, there are 2 motorboats.