Respuesta:
Explicación paso a paso:
a.
[tex](\frac{3}{5}+\frac{2}{3})-\frac{1}{6}\\\\=(\frac{(3*3)+(5*2)}{5*3})-\frac{1}{6}\\\\=\frac{19}{15}-\frac{1}{6}\\\\=\frac{11}{10}[/tex]
b.
[tex](\frac{4}{5}-\frac{3}{4})+\frac{3}{10}\\\\=(\frac{16-15}{20})+\frac{3}{10}\\\\=\frac{1}{20}+\frac{3}{10}\\\\=\frac{7}{20}[/tex]
