How do you know that the sum of ( - 2 (3)/(4) ) and (5)/(9) is rational ?​

Question

How do you know that the sum of


`( - 2 (3)/(4) )`
and

`(5)/(9)`
is rational ?​

Answer 1

The guy above me answered it so hey, have a good day

Answer 2

A rational number is any number that can expressed as a fraction, those numbers are already fractions, so any operation on them gives a fraction which is rational