FRACTIONS
A fraction is part of a whole The fraction
4
5
can be demonstrated by shading 4
portions of a whole that has been split into 5 parts.
5
4
7
3
The top number in a fraction is called the numerator and the bottom number is called
the...
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FRACTIONS
A fraction is part of a whole The fraction
4
5
can be demonstrated by shading 4
portions of a whole that has been split into 5 parts.
5
4
7
3
The top number in a fraction is called the numerator and the bottom number is called
the denominator.
There are three types of fractions:
• a proper fraction has a smaller numerator than the denominator so represents a
portion less than one whole: for instance
1
2
• an improper fraction has a numerator bigger than the denominator so represents a
portion more than one whole: for instance
11
3
• a mixed numeral has a whole number as well as a fraction part for instance 3
12
The fraction bar such as in
2
5
means the same as 2 ÷ 5.
note: If your calculator has a fraction function then it will have an ab
c button
2
5
use 2 ab
c 5 3 1
9 use 3 ab
c 1 a b
c 9
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