Step 1:
The first step to converting 7396640.398902 to a fraction is to re-write 7396640.398902 in the form p/q where p and q are both positive integers. To start with, 7396640.398902 can be written as simply 7396640.398902/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 7396640.398902, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 7396640.398902/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 7396640.398902/1 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 7396640.398902 as a fraction:
7396640/1 / 1