please help me due tonight

Answer:
[tex]b.7\frac{2}{30}[/tex]
Step-by-step explanation:
[tex]3\frac{2}{5}+3\frac{4}{6}\\=\frac{17}{5} +\frac{22}{6} \\=\frac{17*6}{5*6} +\frac{22*5}{6*5} \\=\frac{102}{30} +\frac{110}{30} \\=\frac{212}{30} \\=7\frac{2}{30}[/tex]