Insert a rational number between - 2 5 and- 1 2

25= 410 12=510 Hence, the rational number between 25 and 12 is 110 . ...

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Standard IX

Mathematics

Rational Numbers

Insert a rati...

Question

Insert a rational number between $- \frac{2}{5} a n d + \frac{1}{2}$

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Solution

$- \frac{2}{5} = - \frac{4}{10}$

$\frac{1}{2} = \frac{5}{10}$

Hence, the rational number between $- \frac{2}{5}$ and $\frac{1}{2}$ is $\frac{1}{10}$ .

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Q. List five rational number between:

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3) \frac{- 4}{5} a n d \frac{- 2}{3}

(a) Find ten rational number between - $\frac{2}{5}$ and $\frac{1}{2}$ .

(b) Insert 5 rational numbers and 2 irrational numbers between $\sqrt{2}$ and $\sqrt{3}$ .

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Insert a rational number between −25and+12

−25=−41012=510Hence, the rational number between −25 and 12 is 110.

Insert a rational number between $- \frac{2}{5} a n d + \frac{1}{2}$

$- \frac{2}{5} = - \frac{4}{10}$

$\frac{1}{2} = \frac{5}{10}$

Hence, the rational number between $- \frac{2}{5}$ and $\frac{1}{2}$ is $\frac{1}{10}$ .