2713 + 41 = 5454 / 2 = 2727 is halfway between 13 and 41.
27 41 - 13 = 28 Half is 28/2 = 14 13 + 14 = 27 = 41 - 14
It is: (13+41)/2 = 27
54 is halfway between them.
32
41
22
14.5
The number halfway between 13 and 21 can be found by taking the average of the two numbers. Add 13 and 21 together to get 34, then divide by 2 to get 17. Therefore, the number halfway between 13 and 21 is 17.
11
13
it is: 22