Question

Perform the indicated operations. Simplify your answer. 4/9 + 1/4

Answer 1

$\frac{4}{9}+\frac{1}{4}$

Use the following formula:

$\frac{a}{b}+\frac{c}{d}=\frac{ad+bc}{bd}$

so:

$\frac{4}{9}+\frac{1}{4}=\frac{4\cdot4+9\cdot1}{9\cdot4}=\frac{16+9}{36}=\frac{25}{36}$