3/12=1/4 simplified and in decimal form it is .25 so it is RATIONAL because it ends. A rational number is any number that can be put into a form of a/B and B doesn't equal zero
Rational numbers are numbers that can be written as a fraction with both the numerator and denominators as whole numbers. Since 3 and 12 are whole numbers and they are in a fraction, [tex] \frac{3}{12} [/tex] is a rational number.
