Step 1:
The first step to converting 1513254640.1858 to a fraction is to re-write 1513254640.1858 in the form p/q where p and q are both positive integers. To start with, 1513254640.1858 can be written as simply 1513254640.1858/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 1513254640.1858, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 1513254640.1858/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 1513254640.1858/1 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 1513254640.1858 as a fraction:
1513254640/1 / 1