Question

add the rational number-
4/9+(-5/9)​

Answer 1

Step-by-step explanation:

$\sf \leadsto \frac{4}{9} + ( \frac{ - 5}{9} )\\ \sf \leadsto \frac{4}{9} - \frac{5}{9} \\ \sf \leadsto \frac{4 - 5}{9} \\ \sf \leadsto \frac{ - 1}{9}$