Step 1:
The first step to converting 841540.6421064 to a fraction is to re-write 841540.6421064 in the form p/q where p and q are both positive integers. To start with, 841540.6421064 can be written as simply 841540.6421064/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 841540.6421064, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 841540.6421064/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 841540.6421064/1 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 841540.6421064 as a fraction:
841540/1 / 1