Step 1:
The first step to converting 18929660.386747 to a fraction is to re-write 18929660.386747 in the form p/q where p and q are both positive integers. To start with, 18929660.386747 can be written as simply 18929660.386747/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 18929660.386747, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 18929660.386747/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 18929660.386747/1 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 18929660.386747 as a fraction:
18929660/1 / 1