Step 1:
The first step to converting 346429687.21845 to a fraction is to re-write 346429687.21845 in the form p/q where p and q are both positive integers. To start with, 346429687.21845 can be written as simply 346429687.21845/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 346429687.21845, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 346429687.21845/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 346429687.21845/1 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 346429687.21845 as a fraction:
346429687/1 / 1