Step 1:
The first step to converting 3870696.8378136 to a fraction is to re-write 3870696.8378136 in the form p/q where p and q are both positive integers. To start with, 3870696.8378136 can be written as simply 3870696.8378136/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 3870696.8378136, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 3870696.8378136/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 3870696.8378136/1 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 3870696.8378136 as a fraction:
3870696/1 / 1