Question

$$8(\frac{3}{7})-4(\frac{3}{5}); -3(\frac{i}{3})$$

Answer

24/7-4*3/5;-IM

Solution


Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\begin{aligned}&\frac{8\times 3}{7}-4\times \frac{3}{5}\\&-3\times \frac{\imath }{3}\end{aligned}\]
Simplify  \(8\times 3\)  to  \(24\).
\[\begin{aligned}&\frac{24}{7}-4\times \frac{3}{5}\\&-3\times \frac{\imath }{3}\end{aligned}\]
Cancel \(3\).
\[\begin{aligned}&\frac{24}{7}-4\times \frac{3}{5}\\&-\imath \end{aligned}\]