What is 1/4 plus 3/10?

Here we will show you how to calculate 1/4 plus 3/10. We will give you the answer in fraction form and in decimal form.

We label the numbers in 1/4 plus 3/10 like this:

1/4 + 3/10 = 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 1/4 plus 3/10 into the formula above, we get:

(1x10 + 4x3) / 4x10
(10 + 12) / 40
22/40

Thus, the answer to 1/4 plus 3/10 (simplified if necessary) in fraction form is as follows:

11/20

To get the answer to 1/4 plus 3/10 in decimal form, we simply divide the numerator by the denominator from our fraction answer:

22 / 40 = 0.55

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