Step 1:
The first step to converting 12518415.178577 to a fraction is to re-write 12518415.178577 in the form p/q where p and q are both positive integers. To start with, 12518415.178577 can be written as simply 12518415.178577/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 12518415.178577, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 12518415.178577/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 12518415.178577/1 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 12518415.178577 as a fraction:
12518415/1 / 1