Step 1:
The first step to converting 10215588.989259 to a fraction is to re-write 10215588.989259 in the form p/q where p and q are both positive integers. To start with, 10215588.989259 can be written as simply 10215588.989259/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 10215588.989259, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 10215588.989259/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 10215588.989259/1 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 10215588.989259 as a fraction:
10215588/1 / 1