Find the Complex Conjugate -5/7i

$- \frac{5}{7} i$

Combine $i$ and $\frac{5}{7}$ .

$- \frac{i \cdot 5}{7}$

Move $5$ to the left of $i$ .

$- \frac{5 i}{7}$

To find the complex conjugate, negate the term with $i$ .

$\frac{5 i}{7}$