Step 1:
The first step to converting 91936647.398915 to a fraction is to re-write 91936647.398915 in the form p/q where p and q are both positive integers. To start with, 91936647.398915 can be written as simply 91936647.398915/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 91936647.398915, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 91936647.398915/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 91936647.398915/1 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 91936647.398915 as a fraction:
91936647/1 / 1