Question
Express $\frac{14}{-5}$ as a rational number with numerator $-70$
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Answer
Rational number $=\frac{14}{-5}$ $-70=14\times(-5)$ $\therefore\frac{14}{-5}=\frac{14\times(-5)}{-5\times(5)}=\frac{-70}{25}$
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