Express \frac{3}{4} as a rational number with denominator:

(i) 36

(ii) – 80

Answers (1)

(i) Make denominator 36

\begin{aligned} \frac{3}{4} &=\frac{3 \times 9}{4 \times 9} \\ &=\frac{27}{36} \end{aligned}

(ii) Make denominator -80

\begin{aligned} \frac{3}{4} &=\frac{3 \times-20}{4 \times-20} \\ &=\frac{-60}{-80} \end{aligned}

 

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