Step 1:
The first step to converting 442485409.7085 to a fraction is to re-write 442485409.7085 in the form p/q where p and q are both positive integers. To start with, 442485409.7085 can be written as simply 442485409.7085/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 442485409.7085, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 442485409.7085/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 442485409.7085/1 each by 10000:
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 442485409.7085 as a fraction:
442485409/1 / 1