Step 1:
The first step to converting 3105403.912859 to a fraction is to re-write 3105403.912859 in the form p/q where p and q are both positive integers. To start with, 3105403.912859 can be written as simply 3105403.912859/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 3105403.912859, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 3105403.912859/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 3105403.912859/1 each by 1000000:
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 3105403.912859 as a fraction:
3105403/1 / 1