Page 84 - New Medley 5 Semester 2
P. 84
English G.K.
17 85 19 76
or 85% or 76%
20 100 25 100
Science
35 70
or 70% Thus, Alka performed best in English.
50 100
Converting Fractions into Percentages
Observe the following:
1 1 50 50 3 3 25 75
= × = = 50%; = × = = 75%;
2 2 50 100 4 4 25 100
3 3 20 60 9 9 10 90
= × = = 60%; = × = = 90%;
5 5 20 100 10 10 10 100
13 13 5 65 23 23 4 92
= × = = 65%; = × = = 92%;
20 20 5 100 25 25 4 100
47 47 2 94
= × = = 94%
50 50 2 100
The fractions with denominators 2, 4, 5, 10, 20, 25 and 50 can be expressed
easily in their equivalent fractions with denominator 100.
1
What about the fraction ? It is not convenient to convert the fraction
3
into equivalent fraction with denominator 100.
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