What is 1/9 plus 2/3?

Here we will show you how to calculate 1/9 plus 2/3. We will give you the answer in fraction form and in decimal form.

We label the numbers in 1/9 plus 2/3 like this:

1/9 + 2/3 = A/B + C/D

We will use an adding fractions formula that does not require you to find the lowest common denominator to get the answer. The adding fractions formula is:

(AD + BC) / BD

When we fill in 1/9 plus 2/3 into the formula above, we get:

(1x3 + 9x2) / 9x3
(3 + 18) / 27
21/27

Thus, the answer to 1/9 plus 2/3 (simplified if necessary) in fraction form is as follows:

7/9

To get the answer to 1/9 plus 2/3 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

21 / 27 = 0.7778

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