Step 1:
The first step to converting 1490815.9790964 to a fraction is to re-write 1490815.9790964 in the form p/q where p and q are both positive integers. To start with, 1490815.9790964 can be written as simply 1490815.9790964/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1490815.9790964, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1490815.9790964/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1490815.9790964/1 each by 10000000:
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 1490815.9790964 as a fraction:
1490815/1 / 1