Step 1:
The first step to converting 39315913.698721 to a fraction is to re-write 39315913.698721 in the form p/q where p and q are both positive integers. To start with, 39315913.698721 can be written as simply 39315913.698721/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 39315913.698721, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 39315913.698721/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 39315913.698721/1 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 39315913.698721 as a fraction:
39315913/1 / 1