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