2 14/15 6 6/11= (2+(14/15)) (6+(6/11))= (29/15) (77/11)= 29 77 / 15 * 11= 2233 / 165
2 2/25 1 9/16= (2+(2/25)) (1+(9/16))= (52/25) * (25/16)= 52 / 16= 13/4
13/43 8 7/26= 13/43 (8 + 7/26)= 13/43 (213/26)= 213/26 13/43= 277/559
2 14/15 6 6/11
= (2+(14/15)) (6+(6/11))
= (29/15) (77/11)
= 29 77 / 15 * 11
= 2233 / 165
2 2/25 1 9/16
= (2+(2/25)) (1+(9/16))
= (52/25) * (25/16)
= 52 / 16
= 13/4
13/43 8 7/26
= 13/43 (8 + 7/26)
= 13/43 (213/26)
= 213/26 13/43
= 277/559