13 4/5 + 4 4/5
⚠ 13 4/5 is read as the mixed number 13 + 4/5
⚠ 4 4/5 is read as the mixed number 4 + 4/5
Let's evaluate: 13 + 45 + 4 + 45
17 + 4 + 45
17 + 85
ⓘThe fraction 85 is greater than 1: add its integer part 1 to the whole part: 85 + 17 = 18 + 35
▶Result:   18 35
The numeric value of: 18 + 35 equals:
18 + 0.6
▷ 18.6