Types of Fractions, deals with various concepts which are as under:-
- Proper Fraction
- Improper Fraction
- Mixed Fraction
– Convert Improper Fraction to Mixed Fraction
– Convert Mixed Fraction to Improper Fraction
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Fraction:
- Fraction is a part of whole number.
- In generalise form for any two natural numbers ‘a’ and ‘b’ fraction is:
Where,
a = Numerator
b = Denominator
Example 1
Write down the Numerator and Denominator of the Fraction:
Explanation
Numerator is the upper part (Number on Top) of the Fraction
So, the Numerator of is 4
Denominator is the lower number ( Number at Bottom) of the Fraction
So, the Denominator of is 3
Example 2
Write down the Numerator and Denominator of the Fraction:
Explanation
Numerator is the upper part (Number on Top) of the Fraction
So, the Numerator of is 5
Denominator is the lower number ( Number at Bottom) of the Fraction
So, the Denominator of is 6
TYPES OF FRACTIONS
Proper Fraction
Proper fraction is a fraction which represents the part of whole number. In proper fraction numerator is always less than its denominator.
In generalise form for any two integer ‘a’ and ‘b’
where (a < b)
i.e Numerator < Denominator
Example 1
Is is a proper fraction?
Explanation
Proper fraction is a fraction which represents the part of whole number. In proper fraction numerator is always less than its denominator.
In generalise form for any two integer ‘a’ and ‘b’
where (a < b)
i.e Numerator < Denominator
Numerator = 2
Denominator = 3
Here 2 < 3
i.e, Numerator < Denominator
Hence, is a proper fraction
Example 2
Is is a proper fraction?
Explanation
Proper fraction is a fraction which represents the part of whole number. In proper fraction numerator is always less than its denominator.
In generalise form for any two integer ‘a’ and ‘b’
where (a < b)
i.e Numerator < Denominator
Numerator = 7
Denominator = 5
Here 7 > 5
i.e, Numerator > Denominator
Hence, is not a proper fraction
Improper Fraction
Improper fractions are the combination of whole number and a proper fraction. Improper fraction is opposite of proper fraction, since in improper fraction numerator is greater than its denominator
In generalise form for any two integer ‘a’ and ‘b’
where (a > b)
i.e Numerator > Denominator
Example 1
Is is a improper fraction?
Explanation
Improper fractions are the combination of whole number and a proper fraction. Improper fraction is opposite of proper fraction, since in improper fraction numerator is greater than its denominator
In generalise form for any two integer ‘a’ and ‘b’
where (a > b)
i.e Numerator > Denominator
Numerator = 17
Denominator = 9
Here, 17 > 9
i.e, Numerator > Denominator
Hence, is an improper fraction.
Example 2
Is is a improper fraction?
Explanation
Improper fractions are the combination of whole number and a proper fraction. Improper fraction is opposite of proper fraction, since in improper fraction numerator is greater than its denominator
In generalise form for any two integer ‘a’ and ‘b’
where (a > b)
i.e Numerator > Denominator
Numerator = 7
Denominator = 10
Here, 7 < 10
i.e, Numerator < Denominator
Hence, is not an improper fraction.
Mixed Fraction
Mixed Fraction is a sum of whole number and proper fraction. Improper fraction can be converted into mixed fraction and mixed fraction can be converted into improper fraction with the help of simple multiplication, division and addition.
Convert Improper Fraction to Mixed Fraction
To Convert Improper Fraction into Mixed Fraction, we follow the steps given below:-
Step I: Divide the Numerator by the Denominator.
Step II: Write the Mixed Fraction as: ( Quotient + )
Example 1
Convert into Mixed Fraction.
Explanation
Given Fraction:
Divide the Numerator by the Denominator
On dividing 3 by 2
We get Quotient = 1
Remainder = 1
For a Mixed Fraction we have to write ( Quotient + )
So, the Mixed Fraction is ( 1 + ) =
Example 2
Convert into Mixed Fraction.
Explanation
Given Fraction:
Divide the Numerator by the Denominator
On dividing 5 by 3
We get Quotient = 1
Remainder = 2
For a Mixed Fraction we have to write ( Quotient + )
So, the Mixed Fraction is ( 1 + ) =
Convert Mixed Fraction to Improper Fraction
To Convert Mixed Fraction into Improper Fraction, we follow the steps given below:-
Step 1: Multiply the Whole Number Part and Denominator of the Mixed Fraction
Step 2: Add the Numerator to the product obtained in Step 1
Step 3: Write the sum as the numerator and denominator would remain the same, as in the Mixed Fraction.
Example 1
Convert the Fraction into an Improper Fraction
Explanation
A combination of Whole Number and a Proper Fraction is called a Mixed Fraction
Here,
Mixed Fraction =
Whole Number Part = 2
Numerator = 2
Denominator = 3
Step 1: Multiply the Whole Number Part and Denominator of the Mixed Fraction
2 x 3 = 6
Step 2: Add the Numerator to the product obtained in Step 1
2 + 6 = 8
Write the sum as the numerator and denominator would remain the same, as in the Mixed Fraction.
Hence, =
Example 2
Convert the Fraction into an Improper Fraction
Explanation
A combination of Whole Number and a Proper Fraction is called a Mixed Fraction
Here,
Mixed Fraction =
Whole Number Part = 3
Numerator = 1
Denominator = 2
Step 1: Multiply the Whole Number Part and Denominator of the Mixed Fraction
3 x 2 = 6
Step 2: Add the Numerator to the product obtained in Step 1
1 + 6 = 7
Write the sum as the numerator and denominator would remain the same, as in the Mixed Fraction.
Hence, =
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