Step 1:
The first step to converting 64116508.438972 to a fraction is to re-write 64116508.438972 in the form p/q where p and q are both positive integers. To start with, 64116508.438972 can be written as simply 64116508.438972/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 64116508.438972, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 64116508.438972/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 64116508.438972/1 each by 1000000:
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 64116508.438972 as a fraction:
64116508/1 / 1