Step 1:
The first step to converting 15122433648.813 to a fraction is to re-write 15122433648.813 in the form p/q where p and q are both positive integers. To start with, 15122433648.813 can be written as simply 15122433648.813/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 15122433648.813, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 15122433648.813/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 15122433648.813/1 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 15122433648.813 as a fraction:
15122433648/1 / 1