Step 1:
The first step to converting 742305.4480984 to a fraction is to re-write 742305.4480984 in the form p/q where p and q are both positive integers. To start with, 742305.4480984 can be written as simply 742305.4480984/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 742305.4480984, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 742305.4480984/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 742305.4480984/1 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 742305.4480984 as a fraction:
742305/1 / 1