Step 1:
The first step to converting 189521988.63315 to a fraction is to re-write 189521988.63315 in the form p/q where p and q are both positive integers. To start with, 189521988.63315 can be written as simply 189521988.63315/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 189521988.63315, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 189521988.63315/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 189521988.63315/1 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 189521988.63315 as a fraction:
189521988/1 / 1