Step 1:
The first step to converting 7490.4209863349 to a fraction is to re-write 7490.4209863349 in the form p/q where p and q are both positive integers. To start with, 7490.4209863349 can be written as simply 7490.4209863349/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 7490.4209863349, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 7490.4209863349/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 7490.4209863349/1 each by 10000000000:
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 7490.4209863349 as a fraction:
89885/12 / 1