Step 1:
The first step to converting 180821066.6688 to a fraction is to re-write 180821066.6688 in the form p/q where p and q are both positive integers. To start with, 180821066.6688 can be written as simply 180821066.6688/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 180821066.6688, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 180821066.6688/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 180821066.6688/1 each by 10000:
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 180821066.6688 as a fraction:
180821066/1 / 1