To convert the decimal 2.125 to a fraction, we can break it down:
- The whole number part is 2.
- The decimal part is 0.125.
Now, let's convert 0.125 to a fraction:
0.125 can be written as: \[ \frac{125}{1000} \]
Now, simplify the fraction \(\frac{125}{1000}\):
- Both the numerator and the denominator can be divided by 125:
\[ \frac{125 \div 125}{1000 \div 125} = \frac{1}{8} \]
Therefore, 0.125 is equivalent to \(\frac{1}{8}\).
Now, combine this with the whole number part:
\[ 2 + \frac{1}{8} = 2 \frac{1}{8} \]
So, the fractional equivalent of 2.125 is:
\(\boxed{2 \frac{1}{8}}\)