Step 1:
The first step to converting 7419409.890021 to a fraction is to re-write 7419409.890021 in the form p/q where p and q are both positive integers. To start with, 7419409.890021 can be written as simply 7419409.890021/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 7419409.890021, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 7419409.890021/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 7419409.890021/1 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 7419409.890021 as a fraction:
7419409/1 / 1