4 5/13+(2 8/13-1 12/13)+3 7/13

Question

4 5/13+(2 8/13-1 12/13)+3 7/13

Answer 1

4 5/13+2 8/13-1 12/13+3 7/13=
7-1 12/13+3 7/13=5 1/13+3 7/13=8 8/13

Answer 2

1) 2 8/13-1 12/13=27/39
2) 57/13+27/39=198/39
3)46/13+198/39=138+198/39=336/39=112/13=8 8/13