# How do you solve 1 1/2-: 3/8?

Sep 11, 2016

$1 \frac{1}{2} \div \frac{3}{8} = 4$

#### Explanation:

To divide by a fraction, you can multiply by its reciprocal, formed by swapping the numerator and denominator...

$1 \frac{1}{2} \div \frac{3}{8} = \frac{3}{2} \div \frac{3}{8} = \frac{\textcolor{red}{\cancel{\textcolor{b l a c k}{3}}}}{2} \times \frac{8}{\textcolor{red}{\cancel{\textcolor{b l a c k}{3}}}} = \frac{8}{2} = 4$