Step 1:
The first step to converting 1691798.9164142 to a fraction is to re-write 1691798.9164142 in the form p/q where p and q are both positive integers. To start with, 1691798.9164142 can be written as simply 1691798.9164142/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1691798.9164142, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1691798.9164142/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1691798.9164142/1 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 1691798.9164142 as a fraction:
1691798/1 / 1