Page 72 - ICSE Math 6

Example 2: Write the fraction representing the shaded portion.

(a) (b) (c)

(d) (e) (f)

3 4 3 1 6 2
Solution: (a) (b) (c) (d) (e) (f)
4 8 8 12 6 8

Example 3: The fraction representing the shaded part(s) of the figures is mentioned along with.
Identify the error, if any.

1 1 2
(a) (b) (c)
2 4 4

1
Solution: (a) No error. The shaded parts actually represent .
2
1
(b) The shaded part does not represent , since the vertical line is not in the middle.
4
2
(c) The shaded parts do not represent as the four rings have the different areas.
4
Example 4: Arushi bought 5 music CDs. She already had 8 CDs. What fraction of the total CDs
did she buy and what fraction did she already have?
Solution: Number of CDs she bought = 5

Number of CDs she already had = 8
Total no. of CDs = 5 + 8 = 13
5
Fraction of total CDs she bought =
13
8
Fraction of total CDs she already had =
13
Types of Fractions

Proper fractions
A fraction in which the numerator is less than the denominator is known as a proper fraction.
6 16 250
For example, , and are proper fractions.
19 25 251

Improper fractions
A fraction in which the numerator is greater than or equal to the denominator is known as an improper
9 21 10
fraction. For example, , and are improper fractions.
8 19 10

56