6 11/15 + 17 4/15
⚠ 6 11/15 is read as the mixed number 6 + 11/15
⚠ 17 4/15 is read as the mixed number 17 + 4/15
Let's calculate: 6 + 1115 + 17 + 415
ℹ6 + 17 = 23‖1115 + 415 = 11 + 415
23 + 11 + 415
ℹ11 + 4 = 15
23 + 1515
ℹ1515 = 1
23 + 1
▶Result:   24