Memory 5NF7 Fractions VocabularyVersión en línea Match the definition with the term. por Katie Belongia A number written in the form of a/b. Unlike Fractions Denominator The number that when multiplied by another number, gives you one; also called the multiplicative inverse. A fraction with a numerator of 1. The bottom of a fraction that tells you how many pieces make a whole group. Fraction A fraction where the numerator is greater than the denominator. The top number in a fraction. Reciprocal Like Fractions Numerator Fractions with different numbers, but when simplified they have the same value. Improper Fraction Fractions that have the same denominator. Equivalent Fractions A number made up of a whole number and a fraction. Mixed Number Unit Fraction Fractions that have different denominators.