sum of two rational numbers with same denominator (activity-1)
Post on 20-Mar-2017
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Activity-1
Objective: To find the sum of two rational numbers with same denominator.
Eg:
Like this…We make a 7 X 7 grid because
the denominator in both the given
rational numbers is 7.
This “+” sign is to represent
This “-” sign is to represent
Enclose one “+” sign with one “-” sign (Fig. 4)
Now, count the unenclosed signs in Fig 4
They are 14 in all
Result: The rational number represented by unenclosed signs
is
So,
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