Step 1:
The first step to converting 155211.447451 to a fraction is to re-write 155211.447451 in the form p/q where p and q are both positive integers. To start with, 155211.447451 can be written as simply 155211.447451/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 155211.447451, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 155211.447451/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 155211.447451/1 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 155211.447451 as a fraction:
310423/2 / 1