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7. Find the equivalent fractions of the following with the denominator 18.
1 2 36 9 5
a. b. c. d. e.
2 3 108 3 9
8. Find the equivalent fractions of the following with the numerator 20.

2 4 5 10 40
a. b. c. d. e.
9 5 8 7 18
9. Fill in the boxes.
2 3 18 5 4 24
a. = b. = c. = d. =
5 20 9 9 81 7
10. Check whether the following fractions are equivalent or not.
5 25 8 16 3 18 9 27 4 36
a. , b. , c. , d. , e. ,
11 22 12 21 8 48 10 40 5 45

TypeS oF FrACTionS

Here we will learn mainly about unit fractions, like fractions and unlike fractions.

Unit Fractions
Fractions which have 1 as the numerator are known as unit fractions.
1 1 1
For example, , , , etc. are unit fractions.
3 4 10
like Fractions

If the denominators of two or more fractions are the same, they are known as like
fractions. Look at the following figures.

2 3 4 5
6 6 6 6

Each figure is the same and is divided into 6 equal parts. The denominators of these
fractions are the same. They are like fractions.
1 2 3 4
Some more examples of like fractions are ,, and .
5 5 5 5
Unlike Fractions

Fractions which do not have the same denominator are known as unlike fractions.

Look at the following figures.

2 4 3 3
4 6 8 10

Each figure is the same and divided into a different number of parts. The denominators
of all these fractions are different. They are unlike fractions.

101
Fractions