What is the simplified value of $\frac{1}{8}+\frac{4}{18}$ ?

vampriknightsx3k
2022-02-04
Answered

What is the simplified value of $\frac{1}{8}+\frac{4}{18}$ ?

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Darien Myers

Answered 2022-02-05
Author has **12** answers

Step 1

$\frac{1}{8}+\frac{4}{18}$ and as LCD is 72, converting denominator to 72, we get

$=\frac{1\times 9}{8\times 9}+\frac{4\times 4}{18\times 4}$

Step 2

$=\frac{9}{72}+\frac{16}{72}$

$=\frac{25}{72}$

Step 2

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Could you explain the operation in the third step?

$\frac{1}{4{n}^{2}-1}=\frac{1}{(2n+1)(2n-1)}=\frac{1}{2(2n-1)}-\frac{1}{2(2n+1)}$

It comes from the sumation

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I could just copy it to my homework, but I'd like to know how this conversion works. Thanks in advance.

Could you explain the operation in the third step?

It comes from the sumation

I could just copy it to my homework, but I'd like to know how this conversion works. Thanks in advance.

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