Step 1:
The first step to converting 197573.78791311 to a fraction is to re-write 197573.78791311 in the form p/q where p and q are both positive integers. To start with, 197573.78791311 can be written as simply 197573.78791311/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 197573.78791311, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 197573.78791311/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 197573.78791311/1 each by 100000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 197573.78791311 as a fraction:
790295/4 / 1