Express the Ratio in Lowest Terms $9 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }$

Multiple Choice

Express the ratio in lowest terms. $9 \frac { 1 } { 2 } : 8 \frac { 1 } { 2 }$

A) $\frac { 19 } { 17 }$
B) $\frac { 25 } { 11 }$
C) $\frac { 21 } { 19 }$
D) 9
$$8$$
E) $\frac { 23 } { 13 }$