Answer
$1 \div 4 = \frac{1}{4}$
1 and 4 are integers, but $\frac{1}{4}$ is not.
Work Step by Step
Integers are not closed with respect to division as can be seen in the example below:
1 and 4 are integers.
However, $1 \div 4 = \frac{1}{4}$, which is not an integer.