Step 1:
The first step to converting 42855.787474512 to a fraction is to re-write 42855.787474512 in the form p/q where p and q are both positive integers. To start with, 42855.787474512 can be written as simply 42855.787474512/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42855.787474512, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42855.787474512/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42855.787474512/1 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 42855.787474512 as a fraction:
171423/4 / 1