23 3/20 + 6 17/20
⚠ 23 3/20 is read as the mixed number 23 + 3/20
⚠ 6 17/20 is read as the mixed number 6 + 17/20
Let's calculate: 23 + 320 + 6 + 1720
ℹ23 + 6 = 29‖320 + 1720 = 3 + 1720
29 + 3 + 1720
ℹ3 + 17 = 20
29 + 2020
ℹ2020 = 1
29 + 1
▶Result:   30