Step 1:
The first step to converting 1505769779.1209 to a fraction is to re-write 1505769779.1209 in the form p/q where p and q are both positive integers. To start with, 1505769779.1209 can be written as simply 1505769779.1209/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1505769779.1209, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1505769779.1209/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1505769779.1209/1 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 1505769779.1209 as a fraction:
1505769779/1 / 1