Step 1:
The first step to converting 1620131.6331248 to a fraction is to re-write 1620131.6331248 in the form p/q where p and q are both positive integers. To start with, 1620131.6331248 can be written as simply 1620131.6331248/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1620131.6331248, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1620131.6331248/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1620131.6331248/1 each by 10000000:
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 1620131.6331248 as a fraction:
1620131/1 / 1