sum of two rational numbers with same denominator (activity-1)

Activit y-1 Objective: To find the sum of two rational numbers with same denominator. Eg:

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Activity-1

Objective: To find the sum of two rational numbers with same denominator.

Eg:

Page 2: sum of two rational numbers with same denominator (Activity-1)

Page 3: sum of two rational numbers with same denominator (Activity-1)

Page 4: sum of two rational numbers with same denominator (Activity-1)

Like this…We make a 7 X 7 grid because

the denominator in both the given

rational numbers is 7.

Page 5: sum of two rational numbers with same denominator (Activity-1)

This “+” sign is to represent

Page 6: sum of two rational numbers with same denominator (Activity-1)

This “-” sign is to represent

Page 7: sum of two rational numbers with same denominator (Activity-1)

Enclose one “+” sign with one “-” sign (Fig. 4)

Now, count the unenclosed signs in Fig 4

They are 14 in all

Page 8: sum of two rational numbers with same denominator (Activity-1)

Result: The rational number represented by unenclosed signs

So,

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