112+3/4+1/4+1/2=1\frac12 + 3/4 + 1/4 + 1/2 =121+3/4+1/4+1/2= A1/2B2C3D1Answer: C. 3 Read Explanation: 112+3/4+1/4+1/21\frac12 + 3/4 + 1/4 + 1/2 121+3/4+1/4+1/2 =3/2+3/4+1/4+1/2=3/2+3/4+1/4+1/2=3/2+3/4+1/4+1/2 =4/2+4/4=4/2+4/4=4/2+4/4 =2+1=2+1=2+1 =3=3=3 Read more in App