Answer:
Step-by-step explanation:
By definition, negative numbers, positive numbers and zero are Integers.
It is important to remember the multiplication of signs:
You can observe that you must multiply two integers, one of them is negative and the other one is positive. The product will be an integer. Then:
Since any Integer can be written as a fraction, you can rewrite the product by writing as the numerator and
as the denominator.
Then, this is:
