To convert 12.8 to a fraction, we can first express it as:
\[ 12.8 = 12 + 0.8 \]
Next, we can convert 0.8 to a fraction. Since 0.8 is the same as 8/10, we can simplify it:
\[ 0.8 = \frac{8}{10} = \frac{4}{5} \]
Now we can combine it back with the whole number (12):
\[ 12.8 = 12 + \frac{4}{5} = \frac{12 \times 5}{5} + \frac{4}{5} = \frac{60}{5} + \frac{4}{5} = \frac{64}{5} \]
Thus, the simplest form of 12.8 as a fraction is:
\[ \frac{64}{5} \]
However, in the responses you provided, none of them correctly represent 12.8 in simplest form. The closest match in form, though not correct, seems to be:
1245: 12 Start Fraction 4 over 5 End Fraction
This isn't accurate to what we derived, as \(12 + \frac{4}{5}\) = \( \frac{64}{5} \).
The answer should be \( \frac{64}{5} \).