Question

5/4 + 1/2 + 12/1 ÷ 2

Answer 1

5/4=1.25
1/2=0.5
12/1=12

answer-1.25+0.5+12/2
7.75

Answer 2

$\frac{5}{4} + \frac{1}{2} + \frac{12}{1} \div 2 \\ \frac{5 + 2 + 48}{4} \times \frac{1}{2 } \\ \frac{55}{4} \times \frac{1}{2} \\ \frac{55}{8}$