Question

m+1/2m=3 3/4=.........?​

Answer 1

$m + \frac{1}{2} m = 3 \\ 2m + m = 6\\ 3m = 6 \\ m = 2$

$\frac{3}{4} = 0.75$

Answer 2

3m/2=15/4

m=15/4:3/2

m=15/4*2/3

m=2,5