What is 5/7 plus 9/4?

Here we will show you how to calculate 5/7 plus 9/4. We will give you the answer in fraction form and in decimal form.

We label the numbers in 5/7 plus 9/4 like this:

5/7 + 9/4 = 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 9/4 into the formula above, we get:

(5x4 + 7x9) / 7x4
(20 + 63) / 28
83/28

Thus, the answer to 5/7 plus 9/4 (simplified if necessary) in fraction form is as follows:

2 27/28

To get the answer to 5/7 plus 9/4 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

83 / 28 = 2.9643

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