Step 1:
The first step to converting 1263257.821515 to a fraction is to re-write 1263257.821515 in the form p/q where p and q are both positive integers. To start with, 1263257.821515 can be written as simply 1263257.821515/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1263257.821515, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1263257.821515/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1263257.821515/1 each by 1000000:
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 1263257.821515 as a fraction:
1263257/1 / 1