Subtract: 15 - 13

What is 15 - 13?
What is 15 minus 13?
Subtraction 16 17 18 19 20
14 16-14 = 2 17-14 = 3 18-14 = 4 19-14 = 5 20-14 = 6
15 16-15 = 1 17-15 = 2 18-15 = 3 19-15 = 4 20-15 = 5
16 16-16 = 0 17-16 = 1 18-16 = 2 19-16 = 3 20-16 = 4
17 16-17 = -1 17-17 = 0 18-17 = 1 19-17 = 2 20-17 = 3
18 16-18 = -2 17-18 = -1 18-18 = 0 19-18 = 1 20-18 = 2
Subtraction 15.1 15.2 15.3 15.4 15.5 15.6
13.1 15.1-13.1 = 2 15.2-13.1 = 2.1 15.3-13.1 = 2.2 15.4-13.1 = 2.3 15.5-13.1 = 2.4 15.6-13.1 = 2.5
13.2 15.1-13.2 = 1.9 15.2-13.2 = 2 15.3-13.2 = 2.1 15.4-13.2 = 2.2 15.5-13.2 = 2.3 15.6-13.2 = 2.4
13.3 15.1-13.3 = 1.8 15.2-13.3 = 1.9 15.3-13.3 = 2 15.4-13.3 = 2.1 15.5-13.3 = 2.2 15.6-13.3 = 2.3
13.4 15.1-13.4 = 1.7 15.2-13.4 = 1.8 15.3-13.4 = 1.9 15.4-13.4 = 2 15.5-13.4 = 2.1 15.6-13.4 = 2.2
13.5 15.1-13.5 = 1.6 15.2-13.5 = 1.7 15.3-13.5 = 1.8 15.4-13.5 = 1.9 15.5-13.5 = 2 15.6-13.5 = 2.1
13.6 15.1-13.6 = 1.5 15.2-13.6 = 1.6 15.3-13.6 = 1.7 15.4-13.6 = 1.8 15.5-13.6 = 1.9 15.6-13.6 = 2