Step 1:
The first step to converting 77796516.640734 to a fraction is to re-write 77796516.640734 in the form p/q where p and q are both positive integers. To start with, 77796516.640734 can be written as simply 77796516.640734/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 77796516.640734, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 77796516.640734/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 77796516.640734/1 each by 1000000:
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 77796516.640734 as a fraction:
77796516/1 / 1