Step 1:
The first step to converting 90621124.455954 to a fraction is to re-write 90621124.455954 in the form p/q where p and q are both positive integers. To start with, 90621124.455954 can be written as simply 90621124.455954/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 90621124.455954, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 90621124.455954/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 90621124.455954/1 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 90621124.455954 as a fraction:
90621124/1 / 1