Billy plotted −3 4
and −1
4
on a number line to determine that −3
4
is smaller than −1
4
.

A number line going from negative 2 to positive 2 in increments of 1. There are 4 equal spaces between each number. A point is 1 mark to the right of negative 1, and another point is 1 mark to the left of 0.
Is he correct? Explain why or why not.