Rationalize the Denominator and Simplify $\frac{16 \sqrt{13}}{28 \sqrt{7}}$ A) $\frac{4 \sqrt{91}}{7}$ B) $\frac{4 \sqrt{91}}{49}$

Multiple Choice

Rationalize the denominator and simplify.
- $\frac{16 \sqrt{13}}{28 \sqrt{7}}$

A) $\frac{4 \sqrt{91}}{7}$
B) $\frac{4 \sqrt{91}}{49}$
C) $\frac{4 \sqrt{13}}{49}$
D) $\frac{4 \sqrt{13}}{7}$