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Rational Numbers — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsRational Numbers2 Marks
Question
Divide:
$\frac{-3}{4}\ \text{by}\ \frac{9}{-16}$
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Answer

$\frac{-3}{4}\ \text{by}\ \frac{9}{-16}=\frac{-3}{4}\div\frac{9}{-16}$
$=\frac{-3}{4}\times\frac{-16}{9}=\frac{-3\times(-16)}{4\times9}$
$=\frac{-1\times(-4)}{1\times3}=\frac{4}{3}$

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