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example 1. What is of 12 apples? example 2. What is of 18 balls?
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Solution. 12 ÷ 3 = 4 Solution. 18 ÷ 6 = 3
2 × 4 = 8 5 × 3 = 15
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Thus, of 12 apples = 8 apples. Thus, of 18 balls = 15 balls.
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example 3. Find the following:

3 5 3
a. of a dozen b. of a minute c. of a week
4 6 7

Solution. a. 1 dozen = 12 b. 1 minute = 60 seconds c. 1 week = 7 days
12 ÷ 4 = 3 60 ÷ 6 = 10 7 ÷ 7 = 1

3 × 3 = 9 5 × 10 = 50 3 × 1 = 3
3 5 3
So, of a dozen = 9. So, of a minute So, of a week
4 6 7

= 50 seconds. = 3 days.

Exercise 6B

1. Here, 12 balloons are shown.

1 3
a. Colour in red. b. Colour in green.
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3
c. Colour in blue.
12
2. Find the following:
2 5 3
a. of 27 ______ b. of 30 ______ c. of 24 ______
3 6 8
2 3 2
d. of 42 ______ e. of 72 ______ f. of 54 ______
7 4 9
3. Find the fractions for the following:
1 2 3
a. of 75 kg b. of ` 110 c. of a year (in month)
3 5 4

2 3 3
d. of a dozen e. of 96 m f. of 9 m (in cm)
3 8 10

97
Fractions