Step 1:
The first step to converting 1375915988.2509 to a fraction is to re-write 1375915988.2509 in the form p/q where p and q are both positive integers. To start with, 1375915988.2509 can be written as simply 1375915988.2509/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1375915988.2509, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1375915988.2509/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1375915988.2509/1 each by 10000:
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 1375915988.2509 as a fraction:
1375915988/1 / 1