Estimate the sum of
The sum should be greater than 2, because
What do you need to do to
find the exact sum?
Write the fractions with a common denominator.
What should the common denominator be? Explain.
Possible answer: 4, because 4 is a multiple of 2.
How do you rewrite
that it has a common denominator of 4? Explain.
What is the sum?
You estimated that the answer would be greater than 2. Is the answer greater than 2? How do you know?
Yes, because 2 =
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