Step 1:
The first step to converting 390099.2862906 to a fraction is to re-write 390099.2862906 in the form p/q where p and q are both positive integers. To start with, 390099.2862906 can be written as simply 390099.2862906/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 390099.2862906, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 390099.2862906/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 390099.2862906/1 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 390099.2862906 as a fraction:
390099/1 / 1