Step 1:
The first step to converting 1048.6580408564 to a fraction is to re-write 1048.6580408564 in the form p/q where p and q are both positive integers. To start with, 1048.6580408564 can be written as simply 1048.6580408564/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1048.6580408564, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1048.6580408564/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1048.6580408564/1 each by 10000000000:
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 1048.6580408564 as a fraction:
39849/38 / 1