3\4 + 1\2
\(\frac{3}{4} + \frac{1}{2} \\ =\frac{1+2}{4} + \frac{1}{2} \\ =\frac{1}{4}+\frac{2}{4} + \frac{1}{2} \\ =\frac{1}{4}+\frac{1}{2} + \frac{1}{2} \\ =\frac{1}{4}+1 \\ =1\frac{1}{4}\\ =\frac{5}{4}\)