Find the value of the expression $\frac{2}{7}+\frac{3}{7}+\frac{1}{7}$.

All the fractions have a common denominator 7. So we can add numerators directly. we get, $\frac{2}{7}+\frac{3}{7}+\frac{1}{7}=\frac{2+3+1}{7}=\frac{6}{7}$

Therefore, $\frac{2}{7}+\frac{3}{7}+\frac{1}{7} = \frac{6}{7}$