Step 1:
The first step to converting 865572.8419873 to a fraction is to re-write 865572.8419873 in the form p/q where p and q are both positive integers. To start with, 865572.8419873 can be written as simply 865572.8419873/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 865572.8419873, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 865572.8419873/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 865572.8419873/1 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 865572.8419873 as a fraction:
865572/1 / 1