Step 1:
The first step to converting 142595002.45543 to a fraction is to re-write 142595002.45543 in the form p/q where p and q are both positive integers. To start with, 142595002.45543 can be written as simply 142595002.45543/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 142595002.45543, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 142595002.45543/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 142595002.45543/1 each by 100000:
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 142595002.45543 as a fraction:
142595002/1 / 1