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#### Fraction

Definition of Fraction

• A fraction is a number that represents part of a whole.
• A fraction is written in the form , where .
• A fraction is a way of writing numbers that are not whole numbers.

• The top number of a fraction is called the numerator.
• The bottom number of a fraction is called the denominator.

### Examples of Fraction

•  is a fraction, with numerator 1 and denominator 2.
• In the figure shown, 7 out of 12 boxes are shaded. The fraction names the shaded part.

### Solved Example on Fraction

Bob has three crayons. He lost one of them in his school. What fraction of the crayons is he left with?

Choices:

A.

B.

C. 0

D.

Step 1: Number of crayons that Bob had = 3

Step 2: Number of crayons left with Bob after losing 1 crayon = 2.

Step 3: Fraction of crayons left with Bob = Number of crayons left with Bob / Number of crayons that Bob had in the beginning.

Step 4: =

Related Terms for Fraction

• Division
• Ratio
• Proportion