What is 5/7 plus 5/9?

Here we will show you how to calculate 5/7 plus 5/9. We will give you the answer in fraction form and in decimal form.

We label the numbers in 5/7 plus 5/9 like this:

5/7 + 5/9 = 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 5/7 plus 5/9 into the formula above, we get:

(5x9 + 7x5) / 7x9
(45 + 35) / 63
80/63

Thus, the answer to 5/7 plus 5/9 (simplified if necessary) in fraction form is as follows:

1 17/63

To get the answer to 5/7 plus 5/9 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

80 / 63 = 1.2698

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