Add Simplify, If Possible $\frac{9}{x^{4} y}+\frac{7}{x y^{3}}$ A) $\frac{16}{x y}$ B) $\frac{7 x^{4}+9 y^{3}}{x^{4} y^{3}}$

Multiple Choice

Add. Simplify, if possible.
- $\frac{9}{x^{4} y}+\frac{7}{x y^{3}}$

A) $\frac{16}{x y}$
B) $\frac{7 x^{4}+9 y^{3}}{x^{4} y^{3}}$
C) $\frac{7 x^{3}+9 y^{2}}{x^{4} y^{3}}$
D) $\frac{16}{x^{4} y^{3}}$