Step 1:
The first step to converting 490329631.5876 to a fraction is to re-write 490329631.5876 in the form p/q where p and q are both positive integers. To start with, 490329631.5876 can be written as simply 490329631.5876/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 490329631.5876, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 490329631.5876/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 490329631.5876/1 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 490329631.5876 as a fraction:
490329631/1 / 1