Step 1:
The first step to converting 425096.4878479 to a fraction is to re-write 425096.4878479 in the form p/q where p and q are both positive integers. To start with, 425096.4878479 can be written as simply 425096.4878479/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 425096.4878479, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 425096.4878479/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 425096.4878479/1 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 425096.4878479 as a fraction:
850193/2 / 1