Respuesta :

Answer:

[tex]\huge\underline\color{pink}{Answer ☘}[/tex]

[tex] \frac{4}{9} + ( - \frac{6}{9} ) = \\ \frac{4 - 6}{9} = \frac{ - 2}{9} [/tex]

the green box contains the number

( - 2 )

hope helpful~