Step 1:
The first step to converting 67166035.644978 to a fraction is to re-write 67166035.644978 in the form p/q where p and q are both positive integers. To start with, 67166035.644978 can be written as simply 67166035.644978/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 67166035.644978, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 67166035.644978/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 67166035.644978/1 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 67166035.644978 as a fraction:
67166035/1 / 1