Can twelve over forty be simplified?

What is manipulation? Is it possible to write 5 as a fraction using whole numbers? What is source of error? What are some ways to to remember subtracting real numbers? How many parts are in the fraction bar? What is negative four minus negative 2? How do you eliminate non response error in sampling? 15 is 15 percent of what number? How many times is love mentioned in the Bible? How many mph is 100 meters in 15.00 seconds? The mean of 4 numbers is 88The sum of 3 of the numbers is 80 what is the fourth number? What does capacity of units mean? What is five eighths in simplest form? What is the fraction 11 over 25 as a decimal? What is the whole number of 13.11? What do the little numbers underneath the symbol mean? How many chips we get from 8 inches diameter wafer of 2mmx2mm square? What are the multiples of the numbers 9 and 12? What is the biblical significance of number 9? What is the LCM of 11 and 77 and 42?