Step 1:
The first step to converting 20293.421376578 to a fraction is to re-write 20293.421376578 in the form p/q where p and q are both positive integers. To start with, 20293.421376578 can be written as simply 20293.421376578/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 20293.421376578, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 20293.421376578/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 20293.421376578/1 each by 1000000000:
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 20293.421376578 as a fraction:
142054/7 / 1