Step 1:
The first step to converting 866567.7874972 to a fraction is to re-write 866567.7874972 in the form p/q where p and q are both positive integers. To start with, 866567.7874972 can be written as simply 866567.7874972/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 866567.7874972, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 866567.7874972/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 866567.7874972/1 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 866567.7874972 as a fraction:
866567/1 / 1