Download FRACTIONAL NOS_KeltronNgr_Ravi

FRACTIONAL
NUMBERS
Prepared by
A.Ravi,PRT,KV, Keltron Nagar
Look at the pictures given
below.
A
B
In both the pictures, the whole is divided into two parts.
But in picture B, the whole is divided into two equal parts.
Here, the group is divided into
two equal parts.
• When a whole or a collection is
divided into two equal parts, each
part is called one half of the whole.
.
We represent this as 1/2.
A
B
Here, both the pictures are divided into three parts.
But in picture A, it is divided into three equal parts.
Here the group is divided into
three equal parts.
ONE THIRD
• When a whole or a collection is
divided into three equal parts ,each
parts is called one-third of the
whole.
• We represent this as 1/3.
Here, in both pictures, the whole is divided into
four parts.
A
In picture A all the four
parts are equal.
B
Here, a group is divided into four equal parts.
ONE-FOURTH
When a whole or a collection is
divided into four equal parts,each part
is called one-fourth.
We represent this as 1/4
In a fraction, the top number tells us how many
equal parts have been taken for consideration.We
call it the Numerator.
DENOMINATOR
In a fraction, the bottom number
tells us into how many equal
parts a whole [a collection]has
been divided.We call it the
Denominator.
PROPER FRACTION
2/4, 3/4, 1/2, 4/4, 3/3, 5/6, 2/5, 3/7.
Here 2/4,3/4,1/2,5/6,2/5,3/7 are called Proper
fractions.
In a fraction, if the numerator is smaller
than the denominator;the fraction is
called Proper fraction.
IMPROPER FRACTION
. 1/2, 5/4, 4/4, 3/5, 6/4, 5/5, 4/8, 5/3
Here, 5/4,4/4,6/4,5/5,5/3 are called ImproperFractions
In a fraction,if the numerator is greater or equal
to the denominator;the fraction is called
Improper fraction.
THANK YOU