Step 1:
The first step to converting 154103.78439771 to a fraction is to re-write 154103.78439771 in the form p/q where p and q are both positive integers. To start with, 154103.78439771 can be written as simply 154103.78439771/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 154103.78439771, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 154103.78439771/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 154103.78439771/1 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 154103.78439771 as a fraction:
616415/4 / 1