Answer: It can always be written as a fraction.
Explanation:
1. By definition, a rational numbers has the following form:
, where
and
are integers and
.
2. Therefore, when you add two rational numbers, the result it can always be written as a fraction.
3. An example is shown below:
![(3)/(5)+(1)/(5)=(4)/(5)](https://img.qammunity.org/2019/formulas/mathematics/high-school/xamz5i3guimf361f0h5wc0yk7f3rf6t7xi.png)
The result is a fraction whose numerator and denominator are integers.