0.04 can be expressed as a fraction by recognizing that it represents 4 hundredths. To convert it to a fraction, we can write it as:
0.04 = 4/100
Next, we can simplify this fraction by dividing both the numerator and the denominator by their greatest common divisor, which is 4:
4 ÷ 4 = 1
100 ÷ 4 = 25
So, we get:
0.04 = 1/25
This means that 0.04 in fractional form is 1/25.