Express the Ratio in Lowest Terms $5 : 40$ A) $\frac { 1 } { 8 }$

Multiple Choice

Express the ratio in lowest terms. $5 : 40$

A) $\frac { 1 } { 8 }$
B) $\frac { 1 } { 13 }$
C) $\frac { 1 } { 3 }$
D) $\frac { 1 } { 11 }$
E) $\frac { 1 } { 7 }$