Step 1:
The first step to converting 212460128.46902 to a fraction is to re-write 212460128.46902 in the form p/q where p and q are both positive integers. To start with, 212460128.46902 can be written as simply 212460128.46902/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 212460128.46902, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 212460128.46902/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 212460128.46902/1 each by 100000:
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 212460128.46902 as a fraction:
212460128/1 / 1