Step 1:
The first step to converting 37921.68418515 to a fraction is to re-write 37921.68418515 in the form p/q where p and q are both positive integers. To start with, 37921.68418515 can be written as simply 37921.68418515/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 37921.68418515, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 37921.68418515/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 37921.68418515/1 each by 100000000:
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 37921.68418515 as a fraction:
113765/3 / 1