Respuesta :

[tex]\begin{gathered} \frac{3}{8}-(-\frac{7}{4}) \\ \frac{3}{8}+\frac{7}{4} \\ \frac{3}{8}+\frac{14}{8} \\ \frac{3+14}{8} \\ \frac{17}{8}=2\frac{1}{8} \end{gathered}[/tex]

answer is the last one