Video: Adding Fractions with Unlike Denominators

Evaluate −(1/3) + 2/3 giving the answer in its simplest form.

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Video Transcript

Evaluate negative one-third plus two-thirds giving the answer in its simplest form.

In order to add or subtract fractions, we need to ensure that there’s a common denominator. In this case, the denominator of both fractions is three. As the denominator is the same in both of the fractions, we need to add the numerators: negative one plus two. Negative one plus two is equal to positive one. Therefore, our answer is one-third.

Negative one-third plus two-thirds is equal to one-third.

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