Step 1:
The first step to converting 761090.78686345 to a fraction is to re-write 761090.78686345 in the form p/q where p and q are both positive integers. To start with, 761090.78686345 can be written as simply 761090.78686345/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 761090.78686345, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 761090.78686345/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 761090.78686345/1 each by 100000000:
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 761090.78686345 as a fraction:
761091/1 / 1