Step 1:
The first step to converting 77521009.559217 to a fraction is to re-write 77521009.559217 in the form p/q where p and q are both positive integers. To start with, 77521009.559217 can be written as simply 77521009.559217/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 77521009.559217, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 77521009.559217/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 77521009.559217/1 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 77521009.559217 as a fraction:
77521009/1 / 1