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The sum of two numbers is a whole number if both of the numbers are whole numbers, or if the sum of two fractions can be simplified to a whole number.

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โˆ™ 2009-09-08 23:57:00
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Q: When is the sum of 2 numbers a whole number?
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Related questions

When can the sum of two mixed numbers be a whole number?

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


What are 2 mixed numbers that have sum as a whole number?

2/23/


The sum of two whole numbers is always greater than either addend?

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).


Find three consecutive whole numbers such that the sum of the first two numbers equals the third number?

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


How do you find the sum of all the whole numbers between any two whole numbers?

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


Is the sum of two whole numbers always larger than either whole Number?

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


Can the sum of two mixed numbers be equel to 2 Explain why or why not?

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 '.


Give an example of two mixed numbers whose sum is a whole number?

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


What two mixed numbers whose sum is a whole number?

1+ 1and 1/2


What are the numbers as sum of 2 prime numbers?

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.


What are 2 prime numbers whose sum is an odd number?

It could any odd prime number and 2 since 2 is the only even prime number and add whole numbers to an odd sum requires both odd and even.In other words, 2 and any other prime will work.


What 3 prime numbers have the sum of 3?

There are not three prime numbers that have the sum of 3. The smallest prime number is 2. If all three prime numbers were 2, the sum would 2 + 2 + 2 = 6, so that is the smallest number that is the sum of three prime numbers.


What is the name given to all the numbers that can be expressed as the sum of two consecutive whole numbers?

Odd. For any given whole number n, the sum of it and the next whole number is 2n+1. Since 2n is obviously a multiple of 2 and therefore even, 2n+1 must be odd.


Why is the sum of any 3 consecutive even numbers is a multiple of 6?

Call the lowest number n, then any three consecutive even numbers will be n, n + 2 and n + 4 which total 3n + 6, the equivalent of 6 x (n/2 + 1). As n is by definition an even number, n/2 is a whole number and the sum is therefore 6 times (a whole number plus 1, where the whole number is half of the lowest of the three starting numbers). eg sum of 14 + 16 + 18 = 6 x (14/2 + 1) ie 6 x 8 ie 48, which it is.


What is the sum of all the whole numbers factors 24?

All of the [positive] whole-number factors of 24 are: 1, 2, 3, 4, 6, 8, 12, and 24. Their sum is 60.


What is the sum of the whole numbers from 1 to 150?

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


Does the sum of two prime numbers equal a prime number?

If one of the two numbers is 2, the sum of two prime numbers may sometimes be a prime number. Examples of this are 2 + 11 = 13, 2 + 521 = 523, 2 + 281 = 283. There are an infinite number of similar examples where the sum of 2 plus a prime is another prime. However if neither number is 2, then the sum of two prime numbers is always an even number greater than 2 and therefore composite.


What is the sum of the first ten whole numbers that are multiples of two?

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).


What is 1.75 as a whole number?

It does not exist as a whole number. Whole numbers are 0, 1, 2, 3, etc.


The sum of two odd numbers is always what?

Sum of two odd numbers are always even, and the sum of 2 even numbers are also even. The sum of an odd number & an even number are always odd.


How many pairs of whole numbers are there whose sum is 7?

3 pairs of whole numbers add up to 7: 1 +6, 2+5, 3+4 (0+7 also equals 7, but zero is not a whole number)


What are three consecutive numbers that add up to 68?

There are no such whole numbers. The sum of three consecutive whole numbers must be a multiple of 3; as 68 is not a multiple of 3 (68 = 3 × 22 2/3) it cannot be the sum of three whole numbers.


What is the sum of three consecutive whole numbers?

x + x + 1 + x + 2 = 3x + 3 = 3 times the middle number


When adding 2 prime number will the answer be prime?

The sum of any two prime numbers may or may not be prime. The sum of the two prime numbers 2 and 3 is the prime number 5, and the sum of the two prime numbers 5 and 7 is the composite number 12.


Is the difference of 2 whole numbers always a whole number?

Yes, the difference of two whole numbers is always a whole number.