What is 5/8 plus 3/5?

Here we will show you how to calculate 5/8 plus 3/5. We will give you the answer in fraction form and in decimal form.

We label the numbers in 5/8 plus 3/5 like this:

5/8 + 3/5 = 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 5/8 plus 3/5 into the formula above, we get:

(5x5 + 8x3) / 8x5
(25 + 24) / 40
49/40

Thus, the answer to 5/8 plus 3/5 (simplified if necessary) in fraction form is as follows:

1 9/40

To get the answer to 5/8 plus 3/5 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

49 / 40 = 1.225

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