Step 1:
The first step to converting 451699.4788245 to a fraction is to re-write 451699.4788245 in the form p/q where p and q are both positive integers. To start with, 451699.4788245 can be written as simply 451699.4788245/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 451699.4788245, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 451699.4788245/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 451699.4788245/1 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 451699.4788245 as a fraction:
903399/2 / 1