Page 116 - Math Genius C4

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Unit Fraction

A fraction that has 1 (one) as its numerator is

called a unit fraction.

Look at the figures given alongside. 1 1 1 1
2 3 4 8
In each figure, only one part is shaded.

,
So, the fractions 1 1 1 and 1 that represent the shaded Note
,
2 3 4 8 A unit fraction is a
parts are some examples of unit fractions. special type of proper
fraction.
mixed Fractions

A mixed fraction is a fraction in which there is a combination

1 1 1
of a whole number and a proper fraction. 1 is an example 4
of a mixed fraction. 4
1
This fraction comprises a whole number 1 and a proper 1 4

1
fraction .
4 Whole part
1
1 3 2 1 fractional
2 , 3 , 4 , etc. are some examples of mixed fractions. 4 part
4 7 9 Mixed Fraction
Also, observe that

1 1

1 whole and 1 quarter = 5 quarters. = 4 4
1 5 1 1 1 1
That is, 1 = 1 4 4 4
4 4 4

1 1 5
4 4
This means, a mixed fraction is another form of an improper fraction, and vice versa.

Fast Check
Shade all the boxes that contain improper fractions.

12 7 13 23 3 14 19
13 18 14 27 7 3 33
2 17 18 3 15 17 21
3 8 17 17 16 10 19
11 10 3 23 42 12 9
12 7 4 72 33 13 33

114 Mathematics-4