Step 1:
The first step to converting 775678.77780945 to a fraction is to re-write 775678.77780945 in the form p/q where p and q are both positive integers. To start with, 775678.77780945 can be written as simply 775678.77780945/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 775678.77780945, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 775678.77780945/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 775678.77780945/1 each by 100000000:
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 775678.77780945 as a fraction:
775679/1 / 1