Step 1:
The first step to converting 53880.6478 to a fraction is to re-write 53880.6478 in the form p/q where p and q are both positive integers. To start with, 53880.6478 can be written as simply 53880.6478/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 53880.6478, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 53880.6478/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 53880.6478/1 each by 10000:
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 53880.6478 as a fraction:
161642/3 / 1