Question

Simplify:

(7) $\frac{15}{8}-\frac{23}{16}$

Answer 1

$$\begin{gathered} \frac{15}{8}-\frac{23}{16} \\ =\frac{15\times 2}{8\times 2}-\frac{23}{16} \\ =\frac{30}{16}-\frac{23}{16} \\ =\frac{30-23}{16} \\ =\frac{7}{16} \end{gathered}$$