Answer:
(a) It can always be written as a fraction.
Step-by-step explanation:
You want to know what can be said of the sum of rational numbers.
Rational numbers
The set of rational numbers is closed under addition. The sum of any pair of rational numbers is a rational number.
A rational number can always be written as a fraction.
__
Additional comment
As a decimal, it will either be terminating or repeating. Any given rational number will be one or the other. Rationals in general will not always terminate, or always repeat.
<95141404393>
