Step 1:
The first step to converting 745519.8121709 to a fraction is to re-write 745519.8121709 in the form p/q where p and q are both positive integers. To start with, 745519.8121709 can be written as simply 745519.8121709/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 745519.8121709, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 745519.8121709/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 745519.8121709/1 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 745519.8121709 as a fraction:
745520/1 / 1