Express 3/8 as decimal number

Divide the numerator by the denominator.

3/8 = 0.375

To express 3/8 as a decimal number, you need to divide the numerator (3) by the denominator (8). Here's how you can do it:

1. Take the numerator (3) and divide it by the denominator (8):
3 รท 8 = 0.375

So, 3/8 expressed as a decimal number is 0.375.