Question

Express $$\dfrac{3}{4}$$ as a rational number with denominator:$$-80$$

Solution

In the fraction $$\dfrac34$$ the denominator is equal to $$4$$ and we want that denominator to be equal to $$-80.$$Let we will have to multiply $$x$$ in the numerator and the denominator of the fraction $$\dfrac34$$ to make denominator equal to $$-80.$$ So,$$4\times x = -80$$$$\Rightarrow x=-20$$Hence,\begin{aligned}{}\frac{3}4 &= \frac{{3 \times - 20}}{{4 \times - 20}}\\ \\&= \frac{{ - 60}}{{ - 80}}\end{aligned}Mathematics

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