Step 1:
The first step to converting 10635.990405464 to a fraction is to re-write 10635.990405464 in the form p/q where p and q are both positive integers. To start with, 10635.990405464 can be written as simply 10635.990405464/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 10635.990405464, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 10635.990405464/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 10635.990405464/1 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 10635.990405464 as a fraction:
10636/1 / 1