Write the Reciprocal (Or Multiplicative Inverse) of the Number If $\frac { 5 } { 7 }$

Multiple Choice

Write the reciprocal (or multiplicative inverse) of the number if it exists.
- $\frac { 5 } { 7 }$

A) 1
B) $\frac { 7 } { 5 }$
C) $- \frac { 5 } { 7 }$
D) $- \frac { 7 } { 5 }$