Step 1:
The first step to converting 1720870.9578329 to a fraction is to re-write 1720870.9578329 in the form p/q where p and q are both positive integers. To start with, 1720870.9578329 can be written as simply 1720870.9578329/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1720870.9578329, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1720870.9578329/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1720870.9578329/1 each by 10000000:
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 1720870.9578329 as a fraction:
1720870/1 / 1