Step 1:
The first step to converting 574491690.63801 to a fraction is to re-write 574491690.63801 in the form p/q where p and q are both positive integers. To start with, 574491690.63801 can be written as simply 574491690.63801/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 574491690.63801, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 574491690.63801/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 574491690.63801/1 each by 100000:
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 574491690.63801 as a fraction:
574491690/1 / 1