Step 1:
The first step to converting 42748.790886528 to a fraction is to re-write 42748.790886528 in the form p/q where p and q are both positive integers. To start with, 42748.790886528 can be written as simply 42748.790886528/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42748.790886528, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42748.790886528/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42748.790886528/1 each by 1000000000:
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 42748.790886528 as a fraction:
170995/4 / 1