Step 1:
The first step to converting 42021222.521657 to a fraction is to re-write 42021222.521657 in the form p/q where p and q are both positive integers. To start with, 42021222.521657 can be written as simply 42021222.521657/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42021222.521657, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42021222.521657/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42021222.521657/1 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 42021222.521657 as a fraction:
42021222/1 / 1