Step 1:
The first step to converting 685460.5443633 to a fraction is to re-write 685460.5443633 in the form p/q where p and q are both positive integers. To start with, 685460.5443633 can be written as simply 685460.5443633/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 685460.5443633, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 685460.5443633/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 685460.5443633/1 each by 10000000:
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 685460.5443633 as a fraction:
685460/1 / 1