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Before school, Janine spends 1/10 hour making the bed, 1/5 hour getting dressed, and 1/2 hour eating breakfast. What fraction of an hour does she spend doing these activities?

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Cascade
The answer is 8/10 or 4/5.

First find the least common denominator, which is 10.
1/10 = 1/10               1/5 = 2/10                   1/2 = 5/10

Now you can add the fractions.
1/10 + 2/10 + 5/10 = 8/10

Simplify.
4/5

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