Step 1:
The first step to converting 30978830.518609 to a fraction is to re-write 30978830.518609 in the form p/q where p and q are both positive integers. To start with, 30978830.518609 can be written as simply 30978830.518609/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 30978830.518609, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 30978830.518609/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 30978830.518609/1 each by 1000000:
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 30978830.518609 as a fraction:
30978830/1 / 1