Step 1:
The first step to converting 2983.9578875412 to a fraction is to re-write 2983.9578875412 in the form p/q where p and q are both positive integers. To start with, 2983.9578875412 can be written as simply 2983.9578875412/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2983.9578875412, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2983.9578875412/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 2983.9578875412/1 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 2983.9578875412 as a fraction:
68631/23 / 1