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You can end up with a decimal if you want one.

1/3 plus 2/5

= .333 plus .4

= .7333 repeating

If you want a fraction, you have to convert both fractions to have a common denominator and then add. Then you would reduce if necessary.

In this case, convert both to 15ths. 1/3 is 5/15 and 2/5 is 6/15. You end up with 11/15. That is already in lowest terms.

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12y ago

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