WHAT IS A FRACTION?

A whole divided into a number of
EQUAL or SAME SIZE parts.

Each equal part is called a
FRACTION

Types of Fractions

A PROPER FRACTION is a fraction whose value is less than 1 (numerator smaller than denominator): ^1/2, _7/10, ^3/4



An IMPROPER FRACTION is a fraction whose value is greater than or equal to 1 (numerator greater than or equal to denominator): _22/11, ^15/14, _10/7



A MIXED NUMBER is a number whose value is greater than 1 made up of a whole part and a fraction part: 1^3/4, 5^12/10, 3^3/4

3

5

Numerator

Parts of a Fraction

indicates the number of equal parts in the whole

____

Denominator

indicates the part

How many equal parts are there in this shape?

What is the denominator of this fraction? Why?

4

Find the denominators of these fractions:

4

3

2

8

Mark the images to reflect these fractions:

5

6

2

3

1

4

6

10

Find the denominator of these fractions:

3

2

1

3

Lori ordered a large pepperoni pizza for lunch. The large pizza was cut into 8 (equal) slices. If Lori ate 3 slices, how much of the pizza did she eat?

Pizza Problems

Classwork and Homework