Answer:
The given number are
and

Observe that each number can be simplify at follows


So, the number we need to place are
and
.
The image attached shows the number line with these numbers. The negative number must be on the left side of the zero, and the positve number must be on the right side of the zero.
Remeber that 3/6 is equal to 1/2. Also, when we graph fractions, we can just graph number with the same denominator, that way we would place each fraction in the right order.