3/8 = 37.5%
A value like 3/8 can show up when a recipe calls for part of a cup of flour or when a phone battery has used up 37.5% of its charge. It is also a little more than one-third of a whole.
To picture 3/8, imagine a bar split into 8 equal pieces and shade 3 of them. For a quick estimate, think of it as close to 40%, but a bit less.
One common mistake is treating 3/8 as if it were close to one-half just because both fractions have small numbers. In fact, 3/8 is less than half, which would be 4/8.