Step 1:
The first step to converting 77769.138173104 to a fraction is to re-write 77769.138173104 in the form p/q where p and q are both positive integers. To start with, 77769.138173104 can be written as simply 77769.138173104/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 77769.138173104, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 77769.138173104/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 77769.138173104/1 each by 1000000000:
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 77769.138173104 as a fraction:
544384/7 / 1