Perform the Indicated Operation $\frac { 7 } { 10 } + \frac { 8 } { 9 }$

Multiple Choice

Perform the indicated operation. Express your answer in simplest form.
- $\frac { 7 } { 10 } + \frac { 8 } { 9 }$

A) $\frac { 1 } { 6 }$
B) $\frac { 143 } { 90 }$
C) $\frac { 15 } { 19 }$
D) $\frac { 143 } { 19 }$