denominators Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the number in a fraction that is below the division line. It shows the number of equal parts into which the whole set is divided. Example Sentence He needs to practice subtracting fractions with different denominators. Synonyms number in a fraction; decimal; digit Antonyms letter Hear It! Say It! Write It! denominators Switch to cursive Start Share with your friends: