Step 1:
The first step to converting 55777.9899427 to a fraction is to re-write 55777.9899427 in the form p/q where p and q are both positive integers. To start with, 55777.9899427 can be written as simply 55777.9899427/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 55777.9899427, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 55777.9899427/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 55777.9899427/1 each by 10000000:
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 55777.9899427 as a fraction:
55778/1 / 1