What is the sum of 77 and 67?

What does it mean when someone asks you for the sum of 77 and 67? The sum is part of the addition equation displayed below.

addend + addend = sum

When someone asks "What is the sum of 77 and 67?" they mean that 77 is an addend and 67 is an addend in an addition equation.

Therefore, as you may have inferred, the sum of 77 and 67 is the same as 77 plus 67. Here is the addition equation with the answer:

77 + 67 = 144

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What is the sum of 77 and 68?
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