Step 1:
The first step to converting 550500.004423 to a fraction is to re-write 550500.004423 in the form p/q where p and q are both positive integers. To start with, 550500.004423 can be written as simply 550500.004423/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 550500.004423, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 550500.004423/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 550500.004423/1 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 550500.004423 as a fraction:
550500/1 / 1