What
are
fractions?
The following figures are divided into
two equal parts.
When a whole is divided into two equal parts,
Two halves make a whole.
1
2
One half is written as
each part is called half of the whole.
1
2
1
2
1
2
1
2
whole whole
The following figures are divided into
three equal parts.
When a whole is divided into three equal parts,
1
3
One third is written as
each part is called one third of the whole.
1
3
1
3
1
3
1
3
1
3
1
3
When a whole is divided into four equal parts,
1
4
One fourth is written as
each part is called one fourth of the whole.
The following figures are divided into
four equal parts.
1
4
1
4
1
4
1
4
1
4
1
4
1
4
1
4
Look at the figure given below:
2
3
The fraction for the shaded part is
It has 3 equal parts.
2 parts are shaded.
It is read as two third.
3
4
The fraction for the shaded part is
It has 4 equal parts.
3 parts are shaded.
It is read as three fourth.
What fraction do the colored portions in each of the
following show?
2
5
3
4
1
4
2
3
Match the following fractions to the figures.
5
9
2
8
1
5
6
7
2
6
4
6
5
9
2
8
1
5
6
7
2
6
4
6
1 2 3
4 5 6
HALF
QUARTER
(ONE FOURTH)
THREE QUARTERS
(THREE FOURTH)
ONE THIRD
WHOLE 1
1
2
1
3
3
4
1
4
TWO THIRD 2
3
Back
Parts of Fractions
…numerator and
denominator
PARTS OF A WHOLE ARE CALLED
FRACTIONS.
e.g.
1
2
Parts considered
Total number of
equal parts
NUMERATOR
DENOMINATOR
FRACTION
NUMERATOR
DENOMINATOR
=
3
8
3
8
Remember :
Letter‘u’ is in the word ‘numerator’ and
the word ‘ up’ .
Remember :
Letter ‘d’ starts the word
denominator’ and the word ‘down’ .
So, in the fraction , 3 is the numerator.
3
8
So, in the fraction , 8 is the denominator.
3
8
Write the fraction for the numerator
and denominator given below.
Numerator Denominator Fraction
1
5
4
7
3
4
5
8
1
5
4
7
3
4
5
8
1
5
4
7
3
4
5
8
1
5
4
7
3
4
5
8
1
5
4
7
3
4
5
8
Write the fraction for the shaded part.
Numerator
Denominator
Fraction
Numerator
Denominator
Fraction
5
5
8
5
10
5
8
10
(shaded parts) (shaded parts)
(total parts) (total parts)
Kinds of
Fractions
Kinds of Fractions:
1. Proper Fraction
2. Improper Fraction
3. Mixed Fraction
2
7
3
5
1
4
4
9
etc.
Fractions where the numerator is less than
the denominator are called
proper fractions.
e.g.
4
3
7
2
9
4
8
7
etc.
Fractions where the numerator is greater
than the denominator are called
improper fractions.
e.g.
100
100
27
27
4
4
8
8
etc.
The numerator is equal to its
denominator.
These fractions are equal to 1.
These are also called improper
fractions.
e.g.
Mixed
numbers
Mixed numbers include a
whole number and a fraction written
together.
=
+
(whole number) (fraction) (mixed number)
+ =

Fractions

  • 1.
  • 3.
    The following figuresare divided into two equal parts. When a whole is divided into two equal parts, Two halves make a whole. 1 2 One half is written as each part is called half of the whole. 1 2 1 2 1 2 1 2 whole whole
  • 4.
    The following figuresare divided into three equal parts. When a whole is divided into three equal parts, 1 3 One third is written as each part is called one third of the whole. 1 3 1 3 1 3 1 3 1 3 1 3
  • 5.
    When a wholeis divided into four equal parts, 1 4 One fourth is written as each part is called one fourth of the whole. The following figures are divided into four equal parts. 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 4
  • 6.
    Look at thefigure given below: 2 3 The fraction for the shaded part is It has 3 equal parts. 2 parts are shaded. It is read as two third. 3 4 The fraction for the shaded part is It has 4 equal parts. 3 parts are shaded. It is read as three fourth.
  • 7.
    What fraction dothe colored portions in each of the following show? 2 5 3 4 1 4 2 3
  • 8.
    Match the followingfractions to the figures. 5 9 2 8 1 5 6 7 2 6 4 6 5 9 2 8 1 5 6 7 2 6 4 6 1 2 3 4 5 6
  • 9.
    HALF QUARTER (ONE FOURTH) THREE QUARTERS (THREEFOURTH) ONE THIRD WHOLE 1 1 2 1 3 3 4 1 4 TWO THIRD 2 3 Back
  • 10.
  • 11.
    PARTS OF AWHOLE ARE CALLED FRACTIONS. e.g. 1 2 Parts considered Total number of equal parts NUMERATOR DENOMINATOR FRACTION NUMERATOR DENOMINATOR =
  • 12.
    3 8 3 8 Remember : Letter‘u’ isin the word ‘numerator’ and the word ‘ up’ . Remember : Letter ‘d’ starts the word denominator’ and the word ‘down’ . So, in the fraction , 3 is the numerator. 3 8 So, in the fraction , 8 is the denominator. 3 8
  • 13.
    Write the fractionfor the numerator and denominator given below. Numerator Denominator Fraction 1 5 4 7 3 4 5 8 1 5 4 7 3 4 5 8 1 5 4 7 3 4 5 8 1 5 4 7 3 4 5 8 1 5 4 7 3 4 5 8
  • 14.
    Write the fractionfor the shaded part. Numerator Denominator Fraction Numerator Denominator Fraction 5 5 8 5 10 5 8 10 (shaded parts) (shaded parts) (total parts) (total parts)
  • 15.
  • 16.
    Kinds of Fractions: 1.Proper Fraction 2. Improper Fraction 3. Mixed Fraction
  • 17.
    2 7 3 5 1 4 4 9 etc. Fractions where thenumerator is less than the denominator are called proper fractions. e.g.
  • 18.
    4 3 7 2 9 4 8 7 etc. Fractions where thenumerator is greater than the denominator are called improper fractions. e.g.
  • 19.
    100 100 27 27 4 4 8 8 etc. The numerator isequal to its denominator. These fractions are equal to 1. These are also called improper fractions. e.g.
  • 20.
  • 21.
    Mixed numbers includea whole number and a fraction written together. = + (whole number) (fraction) (mixed number) + =