Step 1:
The first step to converting 623866435.7155 to a fraction is to re-write 623866435.7155 in the form p/q where p and q are both positive integers. To start with, 623866435.7155 can be written as simply 623866435.7155/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 623866435.7155, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 623866435.7155/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 623866435.7155/1 each by 10000:
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 623866435.7155 as a fraction:
623866435/1 / 1