What is 7/4 plus 2/5?

Here we will show you how to calculate 7/4 plus 2/5. We will give you the answer in fraction form and in decimal form.

We label the numbers in 7/4 plus 2/5 like this:

7/4 + 2/5 = 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 7/4 plus 2/5 into the formula above, we get:

(7x5 + 4x2) / 4x5
(35 + 8) / 20
43/20

Thus, the answer to 7/4 plus 2/5 (simplified if necessary) in fraction form is as follows:

2 3/20

To get the answer to 7/4 plus 2/5 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

43 / 20 = 2.15

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