Step 1:
The first step to converting 585271821.388 to a fraction is to re-write 585271821.388 in the form p/q where p and q are both positive integers. To start with, 585271821.388 can be written as simply 585271821.388/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 585271821.388, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 585271821.388/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 585271821.388/1 each by 1000:
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 585271821.388 as a fraction:
585271821/1 / 1