Question
Express $\frac{-12}{13}$ as a rational number with numerator $-48$
✓
Answer
Rational number $=\frac{-12}{13}$
$-48=-12\times4$
$\therefore\frac{-12}{13}=\frac{-12\times4}{13\times4}=\frac{-48}{52}$
$-48=-12\times4$
$\therefore\frac{-12}{13}=\frac{-12\times4}{13\times4}=\frac{-48}{52}$
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