Step 1:
The first step to converting 2640626.390426 to a fraction is to re-write 2640626.390426 in the form p/q where p and q are both positive integers. To start with, 2640626.390426 can be written as simply 2640626.390426/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2640626.390426, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2640626.390426/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 2640626.390426/1 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 2640626.390426 as a fraction:
2640626/1 / 1