Step 1:
The first step to converting 13219390.356003 to a fraction is to re-write 13219390.356003 in the form p/q where p and q are both positive integers. To start with, 13219390.356003 can be written as simply 13219390.356003/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 13219390.356003, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 13219390.356003/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 13219390.356003/1 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 13219390.356003 as a fraction:
13219390/1 / 1