Page 104 - Start Up Mathematics_3

The number of slices of pizza Kriti had = 1

Total number of slices of pizza = 4

So, Kriti’s share of pizza = 1
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Numerator and Denominator

When a fraction is represented in numbers, the Remember
number written above the dividing line is called
the numerator and the number written below the The denominator of a
dividing line is called the denominator. In other words, fraction can never be 0.
the numerator of a fraction tells the number of parts But the numerator of a
fraction can be 0.
selected and the denominator of a fraction tells the
total number of equal parts into which the whole was

divided.
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For example, in the fraction , the numerator is 3 and the denominator is 4.
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EXERCISE 7.1

1. Write W for whole and F for fraction in the boxes.

(a) (b) (c)

(d) (e) (f)

2. Represent the following fractions in numbers.

(a) One-third (b) Three-eighths

(c) Five-ninths (d) Seven-elevenths
3. Write the following fractions in words.

(a) 1 (b) 2 (c) 7 (d) 8
6 5 10 9

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