Step 1:
The first step to converting 660881658.9356 to a fraction is to re-write 660881658.9356 in the form p/q where p and q are both positive integers. To start with, 660881658.9356 can be written as simply 660881658.9356/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 660881658.9356, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 660881658.9356/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 660881658.9356/1 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 660881658.9356 as a fraction:
660881658/1 / 1