Step 1:
The first step to converting 55310678.50981 to a fraction is to re-write 55310678.50981 in the form p/q where p and q are both positive integers. To start with, 55310678.50981 can be written as simply 55310678.50981/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 55310678.50981, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 55310678.50981/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 55310678.50981/1 each by 100000:
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 55310678.50981 as a fraction:
55310678/1 / 1