Add: 13 + 8

What is 13 + 8?
What is 13 plus 8?
Addition 14 15 16 17 18
9 14+9 = 23 15+9 = 24 16+9 = 25 17+9 = 26 18+9 = 27
10 14+10 = 24 15+10 = 25 16+10 = 26 17+10 = 27 18+10 = 28
11 14+11 = 25 15+11 = 26 16+11 = 27 17+11 = 28 18+11 = 29
12 14+12 = 26 15+12 = 27 16+12 = 28 17+12 = 29 18+12 = 30
13 14+13 = 27 15+13 = 28 16+13 = 29 17+13 = 30 18+13 = 31
Addition 13.1 13.2 13.3 13.4 13.5 13.6
8.1 13.1+8.1 = 21.2 13.2+8.1 = 21.3 13.3+8.1 = 21.4 13.4+8.1 = 21.5 13.5+8.1 = 21.6 13.6+8.1 = 21.7
8.2 13.1+8.2 = 21.3 13.2+8.2 = 21.4 13.3+8.2 = 21.5 13.4+8.2 = 21.6 13.5+8.2 = 21.7 13.6+8.2 = 21.8
8.3 13.1+8.3 = 21.4 13.2+8.3 = 21.5 13.3+8.3 = 21.6 13.4+8.3 = 21.7 13.5+8.3 = 21.8 13.6+8.3 = 21.9
8.4 13.1+8.4 = 21.5 13.2+8.4 = 21.6 13.3+8.4 = 21.7 13.4+8.4 = 21.8 13.5+8.4 = 21.9 13.6+8.4 = 22
8.5 13.1+8.5 = 21.6 13.2+8.5 = 21.7 13.3+8.5 = 21.8 13.4+8.5 = 21.9 13.5+8.5 = 22 13.6+8.5 = 22.1
8.6 13.1+8.6 = 21.7 13.2+8.6 = 21.8 13.3+8.6 = 21.9 13.4+8.6 = 22 13.5+8.6 = 22.1 13.6+8.6 = 22.2