\(\frac87+\frac67=\frac{8+6}{7}=\frac{14}{7}=2\)
\(\dfrac{8}{7}+\dfrac{6}{7}=\dfrac{8+6}{7}=\dfrac{14}{7}=14:7=2\)
\(\dfrac{8}{7}+\dfrac{6}{7}=\dfrac{8+6}{7}=\dfrac{14}{7}=2\)
\(\dfrac{8}{7}\) + \(\dfrac{6}{7}\) = \(\dfrac{8+6}{7}\) = \(\dfrac{14}{7}\) = 2