Evaluate $2 \times 2$ Determinant $$\left|\begin{array} { c c } \frac { 1 } { 5 } & \frac { 5 } { 14 } \\\frac { 14 } { 25 } & - \frac { 1 } { 14 }\end{array}\right|$$

Short Answer

Evaluate $2 \times 2$ determinant. $$\left|\begin{array} { c c } \frac { 1 } { 5 } & \frac { 5 } { 14 } \\\frac { 14 } { 25 } & - \frac { 1 } { 14 }\end{array}\right|$$ Please enter your answer as a fraction with lowest terms.