Step 1:
The first step to converting 72690.907498632 to a fraction is to re-write 72690.907498632 in the form p/q where p and q are both positive integers. To start with, 72690.907498632 can be written as simply 72690.907498632/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 72690.907498632, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 72690.907498632/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 72690.907498632/1 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 72690.907498632 as a fraction:
726909/10 / 1