Rational numbers are sometimes informally called fractions. Numbers such as 3/4 and −1/5 are rational numbers. When simplifying rational expressions, look for groups of variables or numbers that c...Rational numbers are sometimes informally called fractions. Numbers such as 3/4 and −1/5 are rational numbers. When simplifying rational expressions, look for groups of variables or numbers that can be canceled to one. Cancel as many times as permits within a rational expression.
Real numbers are the numbers that are normally used in real world math problems. A line that extends horizontally with coordinates that correspond to real numbers is a number line.
Real numbers are the numbers that are normally used in real world math problems. A line that extends horizontally with coordinates that correspond to real numbers is a number line.