Step 1:
The first step to converting 254715518.52178 to a fraction is to re-write 254715518.52178 in the form p/q where p and q are both positive integers. To start with, 254715518.52178 can be written as simply 254715518.52178/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 254715518.52178, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 254715518.52178/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 254715518.52178/1 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 254715518.52178 as a fraction:
254715518/1 / 1