Write this ratio as a fraction in lowest terms.

The ratio of 8 to 3.

To convert the ratio of 8 to 3 into a fraction, you simply place the first number (8) as the numerator and the second number (3) as the denominator. Therefore, the ratio 8 to 3 as a fraction is:

8/3

This fraction is already in its lowest terms because 8 and 3 have no common factors other than 1.