Step 1:
The first step to converting 630358901.9637 to a fraction is to re-write 630358901.9637 in the form p/q where p and q are both positive integers. To start with, 630358901.9637 can be written as simply 630358901.9637/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 630358901.9637, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 630358901.9637/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 630358901.9637/1 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 630358901.9637 as a fraction:
630358901/1 / 1