Step 1:
The first step to converting 980658378.3659 to a fraction is to re-write 980658378.3659 in the form p/q where p and q are both positive integers. To start with, 980658378.3659 can be written as simply 980658378.3659/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 980658378.3659, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 980658378.3659/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 980658378.3659/1 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 980658378.3659 as a fraction:
980658378/1 / 1