Step 1:
The first step to converting 263999.5475642 to a fraction is to re-write 263999.5475642 in the form p/q where p and q are both positive integers. To start with, 263999.5475642 can be written as simply 263999.5475642/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 263999.5475642, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 263999.5475642/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 263999.5475642/1 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 263999.5475642 as a fraction:
527999/2 / 1