Step 1:
The first step to converting 278045.540905 to a fraction is to re-write 278045.540905 in the form p/q where p and q are both positive integers. To start with, 278045.540905 can be written as simply 278045.540905/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 278045.540905, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 278045.540905/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 278045.540905/1 each by 1000000:
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 278045.540905 as a fraction:
556091/2 / 1