Step 1:
The first step to converting 740890.70306121 to a fraction is to re-write 740890.70306121 in the form p/q where p and q are both positive integers. To start with, 740890.70306121 can be written as simply 740890.70306121/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 740890.70306121, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 740890.70306121/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 740890.70306121/1 each by 100000000:
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 740890.70306121 as a fraction:
740890/1 / 1