the sum of two consecutive numbers is 123. find the numbers

Answer 1

OR:

Add 1 to the lower number, and the total will increase by 1 to 124

124 / 2 is the larger number......62

So the smaller number is 61

Answer 2

x + (x+1) = 123

2x+1=123

2x=122

x=61

and x+1 = 62

Answer 3

A quick and easy way to do this is calculate 123/2 = 61.5

So the answer is given by the two whole numbers nearest to 61.5

61 + 62 = 123