Is 5 rational is 1/4 irrational and is 1.25 rational

1 answer:

5 0

Since 5 is positive and it is one of the counting numbers, 5 is a rational, integer and natural number. 5 is not an irrational number.
Since 1/4 is a rational number, 1/4 is not an irrational number
Since 1.25 is a rational number, 1.25 is not an irrational number.

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Which expression is equivalent to the following complex fraction?

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The equivalent expression of $(1 + \frac{1}{y}) \div (1-\frac 1y)$ is $\frac{y + 1}{y-1}$

<h3>How to determine the equivalent fraction?</h3>

The fraction is given as:

$(1 + \frac{1}{y}) \div (1-\frac 1y)$

Take the LCM

$\frac{y + 1}{y} \div \frac{y-1}y$

Express as products

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Hence, the equivalent expression of $(1 + \frac{1}{y}) \div (1-\frac 1y)$ is $\frac{y + 1}{y-1}$

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