Step 1:
The first step to converting 378297.21655875 to a fraction is to re-write 378297.21655875 in the form p/q where p and q are both positive integers. To start with, 378297.21655875 can be written as simply 378297.21655875/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 378297.21655875, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 378297.21655875/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 378297.21655875/1 each by 100000000:
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 378297.21655875 as a fraction:
378297/1 / 1