ShmoopTube

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Here's a shmoopy question you'll find on an exam somewhere in life.

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When adding the fractions 3/7, 5/9 and 6/11 without finding the lowest common denominator,

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which of the following is the best estimate of the exact sum?

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And here are the potential answers...

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Looks like this question is testin’ our estimatin’ skills.

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Basically, we just have to look at each of

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the fractions and come up with a rough estimate for how close they are to 1/9, 1/3, ½ or 2/3.

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3.5 sevenths would be a half, so 3 sevenths is slightly under.

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4.5 ninths would be a half, so 5 ninths is slightly over.

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Anyway. You get the idea.

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The answer is a bunch of halves… or C.

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