Step 1:
The first step to converting 261324.4890405 to a fraction is to re-write 261324.4890405 in the form p/q where p and q are both positive integers. To start with, 261324.4890405 can be written as simply 261324.4890405/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 261324.4890405, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 261324.4890405/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 261324.4890405/1 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 261324.4890405 as a fraction:
522649/2 / 1