2 Fractions Numbers such as ½ and -¾ are called fractions. The number above the fraction line is called the numerator.The number below the fraction line is called the denominator.
3 Reducing FractionsWhen both the numerator and denominator have a common divisor, we can reduce the fraction to its lowest terms.A fraction is said to be in its lowest terms (or reduced) when the numerator and denominator are relatively prime (have no common divisors other than 1).
4 To reduce a fraction to its lowest terms, divide both the numerator and the denominator by the GCD. The fraction 6/10 is reduced to its lowest terms as follows.
6 Mixed Numbers and Improper Fractions The number 2¾ is an example of a mixed number. It is called a mixed number because it is made up of an integer and a fraction.2¾ means 2 + ¾An improper fraction is a fraction whose numerator is greater than its denominator.
7 The figure shows improper fractions and mixed numbers….
8 How do you convert mixed numbers to improper fractions?