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Rational Numbers — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsRational Numbers2 Marks
Question
Divide:
$\frac{7}{-4}\ \text{by}\ \frac{63}{34}$
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Answer

$\frac{7}{-4}\ \text{by}\ \frac{63}{34}=\frac{7}{-4}\div\frac{63}{64}=\frac{7}{-4}\times\frac{64}{63}$
$=\frac{1\times16}{-1\times9}=\frac{16}{-9}=\frac{16\times(-1)}{-9\times(-1)}$
$=\frac{-16}{9}$

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