3 3/10 + 10 7/10
⚠ 3 3/10 is read as the mixed number 3 + 3/10
⚠ 10 7/10 is read as the mixed number 10 + 7/10
Let's evaluate: 3 + 310 + 10 + 710
ℹ3 + 10 = 13‖310 + 710 = 3 + 710
13 + 3 + 710
ℹ3 + 7 = 10
13 + 1010
ℹ1010 = 1
13 + 1
▶Result:   14