Step 1:
The first step to converting 215537.7892416 to a fraction is to re-write 215537.7892416 in the form p/q where p and q are both positive integers. To start with, 215537.7892416 can be written as simply 215537.7892416/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 215537.7892416, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 215537.7892416/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 215537.7892416/1 each by 10000000:
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 215537.7892416 as a fraction:
215538/1 / 1