Chapter 9 Vocab Quiz
like fractions fractions that have the same denominator numerator the top number of a fraction denominator the bottom number of a fraction simplest form the numerator and denominator in a fraction cannot be any smaller; the numerator and denominator have no common factor greater than 1. mixed number a number made up of a whole number and a fraction improper fraction a fraction whose numerator is larger than the denominator greatest common factor (GCF) The largest factor that two or more numbers have in common. least common multiple (LCM) The least number that is a common multiple of two or more numbers.