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Q: When is the sum of 2 numbers a whole number?

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2/23/

2 mixed numbers can only be a whole when the 2 numerators add up to the number

No. Each mixed number is made of a whole number and a fraction. When you add them, you have the sum of two whole numbers and two fractions. Since each whole number must be at least ' 1 ', the sum of two whole numbers must be at least ' 2 ', and the two fractions will always make it more than ' 2 '.

No. -2 and -3 are both whole number and their sum is -5 which is smaller than both.

The three consecutive whole numbers you are looking for are 1, 2, and 3. The sum of the first two numbers, 1 + 2 = 3.

You know that sum of the first n whole numbers is n(n+1)/2. ( it is the same as the first n natural numbers since the zero does not add anything) So lets say you want the sum of all the whole numbers between 3 and 10. ( I made it easy to illustrate the idea.) The sum of the whole numbers between 0 and 3 is 3(4)/2=6 The sum of the whole numbers between 0 and 10 is 10(11)/2=55 So the sum of the whole numbers between 3 and 10 is the (sum of the whole number between 0 and 10) -(sum of whole numbers between 0 and 3) which is 55-6=49 So in general, for whole numbers m and n with m

1+ 1and 1/2

The sum of the two mixed numbers 3 1/3 and 2 2/3 is 6.

The sum of two prime numbers greater than 2 is an even number. The sum of 2 and any other prime number is an odd number.

the sum of two whole numbers is always greater than either addend* * * * *No.Consider:5 is a whole number-3 is a whole number.Their sum is 2, which is notgreater than one of the addends (5).

The sum is 110.The numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20.EquationFor the first n numbers that are multiples of 2, the sum is (n)(n+1).If zero is included as a "whole number multiple of 2," then the sum is (n)(n-1).

The sum is 150*151/2 = 11,325

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