Step 1:
The first step to converting 315868.451785 to a fraction is to re-write 315868.451785 in the form p/q where p and q are both positive integers. To start with, 315868.451785 can be written as simply 315868.451785/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 315868.451785, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 315868.451785/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 315868.451785/1 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 315868.451785 as a fraction:
631737/2 / 1