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nignag [31]
3 years ago
7

What is addition of 2/3 + 1/4​

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
3 0
Answer: 2/3 + 1/4 = 11/12

The least common denominator of both denominators is 12.


The first fraction , 3 x 4 = 12

2 2x4 8
— = —— = —
3 3x4 12

The second is the same , 4 x 3 = 12
1 1x3 3
— = —— = —
4 4x3 12

Add both fractions:

8 3 8 + 3 11
— + — = ——— = —
12 12 12 12

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Answer:

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Step-by-step explanation:

You just have to substitute r with 5.

Now, the equation looks like this:

15(5)-1

Next, solve 15*5 first according to PEMDAS

And 15*5 equals 75

\frac{\left[\begin{array}{ccc}1&5\\5\\\end{array}\right] }{75}

Lastly, do 75-1 which equals 74

\frac{\left[\begin{array}{ccc}7&5\\-1\\\end{array}\right] }{74}

Therefore, 74 is your answer.

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