Step 1:
The first step to converting 290475247.1221 to a fraction is to re-write 290475247.1221 in the form p/q where p and q are both positive integers. To start with, 290475247.1221 can be written as simply 290475247.1221/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 290475247.1221, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 290475247.1221/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 290475247.1221/1 each by 10000:
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 290475247.1221 as a fraction:
290475247/1 / 1