7/6 + 1/4 × 2/3=
1/4 + 7/6 × 2/3=
1/4 + 2/3 × 7/6=

7/6+1/4*2/3= 14/12+3/12*2/3=112*2/3=17/18
1/4+7/6*2/3=3/12+14/12*2/3=17/12*2/3=17/18
1/4+2/3*7/6=3/12+8/12*7/6=11/12*7/6=77/72=1 5/72