## Thinking Mathematically (6th Edition)

$0.64=\frac{16}{25}$
Multiply $\frac{100}{100}$, which is equal to 1, by the decimal to turn the decimal into a fraction. Divide by 4/4 to reduce the expression. $=0.64(\frac{100}{100}) \\= \frac{64}{100} \\=\frac{16}{25}$