3/8:5

To simplify the ratio of \( \frac{3}{8} : 5 \), you can express it in fraction form and simplify:

1. Write the ratio as a fraction: \[ \frac{\frac{3}{8}}{5} \]

2. To simplify, you can convert 5 to a fraction: \[ 5 = \frac{5}{1} \]

3. Now, rewrite the ratio: \[ \frac{3}{8} \div 5 = \frac{3}{8} \times \frac{1}{5} = \frac{3}{40} \]

4. The ratio can also be expressed as: \[ 3 : 40 \]

So, \( \frac{3}{8} : 5 \) simplifies to \( 3 : 40 \).