Step 1:
The first step to converting 125413.5172163 to a fraction is to re-write 125413.5172163 in the form p/q where p and q are both positive integers. To start with, 125413.5172163 can be written as simply 125413.5172163/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 125413.5172163, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 125413.5172163/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 125413.5172163/1 each by 10000000:
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 125413.5172163 as a fraction:
250827/2 / 1