Step 1:
The first step to converting 309946045.90419 to a fraction is to re-write 309946045.90419 in the form p/q where p and q are both positive integers. To start with, 309946045.90419 can be written as simply 309946045.90419/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 309946045.90419, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 309946045.90419/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 309946045.90419/1 each by 100000:
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 309946045.90419 as a fraction:
309946045/1 / 1