Step 1:
The first step to converting 56857.878994748 to a fraction is to re-write 56857.878994748 in the form p/q where p and q are both positive integers. To start with, 56857.878994748 can be written as simply 56857.878994748/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 56857.878994748, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 56857.878994748/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 56857.878994748/1 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 56857.878994748 as a fraction:
454863/8 / 1