Answer
$\frac{13}{15}$
Work Step by Step
$\frac{7}{10}-(-\frac{1}{6})=\frac{7}{10}+\frac{1}{6}=\frac{7\times3}{10\times3}+\frac{1\times5}{6\times5}=\frac{21}{30}+\frac{5}{30}=\frac{21+5}{30}=\frac{26}{30}$
$\frac{26}{30}=\frac{26\div2}{30\div2}=\frac{13}{15}$