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 A fraction where the numerator is greater than the denominator. Numerator Mixed Number A fraction with a numerator of 1. Fraction The bottom of a fraction that tells you how many pieces make a whole group. The number that when multiplied by another number, gives you one; also called the multiplicative inverse. Denominator Fractions that have the same denominator. Like Fractions Fractions that have different denominators. Equivalent Fractions Unit Fraction Improper Fraction A number made up of a whole number and a fraction. Reciprocal Fractions with different numbers, but when simplified they have the same value. The top number in a fraction.