Step 1:
The first step to converting 102040707.1957 to a fraction is to re-write 102040707.1957 in the form p/q where p and q are both positive integers. To start with, 102040707.1957 can be written as simply 102040707.1957/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 102040707.1957, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 102040707.1957/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 102040707.1957/1 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 102040707.1957 as a fraction:
102040707/1 / 1