Fraction

A part of a whole number or unit. For example, 1/2, 3/4, and 7/8 are all fractions.

Denominator

In fractions, the denominator is the number under the line that shows how many equal parts the whole number or unit can be divided into. In the fraction 7/8, 8 is the denominator or the total number of pieces the unit is divided into.

Numerator

In fractions, the numerator is the number above the line. The numerator shows how many parts of the denominator are taken. In the fraction 2/3, the numerator is 2. Think of the numerator as what you want.

Whole

One complete unit.

Part

Pieces or sections of one complete unit. Think of parts as slices of a pizza.

Fraction Bar

The line in a fraction that separates the numerator (what you want) from the denominator (the total amount of pieces)