Match the following. Match the items in the left column to the items in the right column. 1. Any number that can be written as a quotient of two integers: a/b, where b ≠ 0. mixed number 2. One number written over another that reflects a portion of a whole unit. denominator 3. The top number in a fraction. rational number 4. The bottom number in a fraction. numerator 5. A number that includes a whole number and a fraction. power 6. Also called an exponent, it tells how many times the base number is used as a factor: a 3 = a · a · a. In this example, a is the base and 3 is the power. fraction