what is 1 1/5 plus 2 7/15

what is 1 1/5 plus 2 7/15
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1 Answer

3 2/3 

The least common multiple of 5 and 15 is 15 so 5 times 3 equals 15 and 1 times 3 is 3. So that is 1 3/15 plus 2 7/15 and that equals 3 10/15 which can be simplified to 3 2/3 because 10 can be divided by 5, 2 times and 15, 3 times.

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