Step 1:
The first step to converting 21498855.773974 to a fraction is to re-write 21498855.773974 in the form p/q where p and q are both positive integers. To start with, 21498855.773974 can be written as simply 21498855.773974/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 21498855.773974, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 21498855.773974/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 21498855.773974/1 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 21498855.773974 as a fraction:
21498855/1 / 1