Express each of the following as a fraction :
`2.25%`

Answer

To express 2.25% as a fraction, we can follow these steps:

### Step-by-Step Solution:

1. **Write the percentage as a fraction**:
\[ 2.25\% = \frac{2.25}{100} \]

2. **Eliminate the decimal**:
To eliminate the decimal in the numerator, we can multiply both the numerator and the denominator by 100 (since 2.25 has two decimal places):
\[ \frac{2.25 \times 100}{100 \times 100} = \frac{225}{10000} \]

3. **Simplify the fraction**:
Now we need to simplify \(\frac{225}{10000}\). We can find the greatest common divisor (GCD) of 225 and 10000.
- The GCD of 225 and 10000 is 25.
- Now, divide both the numerator and denominator by 25:
\[ \frac{225 \div 25}{10000 \div 25} = \frac{9}{400} \]

4. **Final result**:
The fraction representation of 2.25% is:
\[ \frac{9}{400} \]