Step 1:
The first step to converting 90669.420675984 to a fraction is to re-write 90669.420675984 in the form p/q where p and q are both positive integers. To start with, 90669.420675984 can be written as simply 90669.420675984/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 90669.420675984, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 90669.420675984/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 90669.420675984/1 each by 1000000000:
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 90669.420675984 as a fraction:
181339/2 / 1