Step 1:
The first step to converting 570815206.13621 to a fraction is to re-write 570815206.13621 in the form p/q where p and q are both positive integers. To start with, 570815206.13621 can be written as simply 570815206.13621/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 570815206.13621, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 570815206.13621/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 570815206.13621/1 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 570815206.13621 as a fraction:
570815206/1 / 1