Step 1:
The first step to converting 57438.9481986 to a fraction is to re-write 57438.9481986 in the form p/q where p and q are both positive integers. To start with, 57438.9481986 can be written as simply 57438.9481986/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 57438.9481986, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 57438.9481986/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 57438.9481986/1 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 57438.9481986 as a fraction:
57439/1 / 1