Step 1:
The first step to converting 187946.5403931 to a fraction is to re-write 187946.5403931 in the form p/q where p and q are both positive integers. To start with, 187946.5403931 can be written as simply 187946.5403931/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 187946.5403931, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 187946.5403931/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 187946.5403931/1 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 187946.5403931 as a fraction:
375893/2 / 1