### Numbers: Fractions

### Fractions

Fractions

This pizza is divided into #5# slices of equal size.

Each slice is one-fifth of the pizza. We write this as #\tfrac 15#.

Someone eats #4# of the #5# slices.

To denote #4# out of #5#, we write #\tfrac45#.

The number #\require{color} \definecolor{blue}{RGB}{45, 112, 179}\tfrac{\orange{4}}{\blue{5}}# is called a **fraction.**

In the fraction #\tfrac{\orange{4}}{\blue{5}}#, #\orange{4}# is called the **numerator**.

In the fraction #\tfrac{\orange{4}}{\blue{5}}#, #\blue{5}# is called the ** denominator**.

The numerator and the denominator are separated by a line, which does not have a special name in English.

#5#

The numerator of a fraction is the number above the separation line. In this case, the numerator is equal to #5#.

The numerator of a fraction is the number above the separation line. In this case, the numerator is equal to #5#.

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