Step 1:
The first step to converting 7315.286640646 to a fraction is to re-write 7315.286640646 in the form p/q where p and q are both positive integers. To start with, 7315.286640646 can be written as simply 7315.286640646/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 7315.286640646, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 7315.286640646/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 7315.286640646/1 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 7315.286640646 as a fraction:
51207/7 / 1