1 3/4+2 1/6 помогите

Question

1 3/4+2 1/6 помогите

Answer 1

7/4+ 13/6= 21/12+26/12= 47/12= 3 11/12

Answer 2

1 3/4+2 1/6=(1+2)+(3/4+1/6)=3+11/12=3 11/12