Question

$3\frac{3}{4}-2\frac{1}{4}=?$
(a) $1\frac{1}{2}$
(b) $1\frac{1}{4}$
(c) $\frac{1}{4}$
(d) none of these

Answer 1

$$\begin{gathered} \left(a\right)1\frac{1}{2} \\ \mathrm{Explanation}: \\ 3\frac{3}{4}-2\frac{1}{4} \\ \Rightarrow \frac{15}{4}-\frac{9}{4} \\ \Rightarrow \frac{(15-9)}{4} \\ \Rightarrow \frac{6}{4}=\frac{3}{2}=1\frac{1}{2} \end{gathered}$$