Step 1:
The first step to converting 16557321.972884 to a fraction is to re-write 16557321.972884 in the form p/q where p and q are both positive integers. To start with, 16557321.972884 can be written as simply 16557321.972884/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 16557321.972884, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 16557321.972884/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 16557321.972884/1 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 16557321.972884 as a fraction:
16557321/1 / 1