Question

(3 13/21+5 14/21)+ 8 16/21
15 1/27 +(6 17/27+4 19/27)

Answer 1

(3 13/21+5 14/21)+ 8 16/21=18 1/21

15 1/27 +(6 17/27+4 19/27)=26 10/27