Does the following pairs represent the same rational number:
$\frac{- 16}{20}$ and $\frac{20}{- 25}$

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Solution

$\frac{- 16}{20} = \frac{- 4 \times 4}{5 \times 4} = - \frac{4}{5}$
$\frac{20}{- 25} = \frac{4 \times 5}{- 5 \times 5} = - \frac{4}{5}$
Since both numbers are $- \frac{4}{5}$ , thus they are same.

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Similar questions

\frac{- 16}{20}

\frac{20}{- 25}

Question 6 (ii)

Which of the following pairs represent the same rational numbers:
$\frac{- 16}{20} a n d \frac{20}{- 25}$

\frac{- 3}{5}

\frac{- 12}{20}

\frac{- 2}{- 3}

\frac{2}{3}

Which of the following pairs represent the same rational number?

(i) (ii) (iii)

(iv) (v) (vi)

(vii)

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