No.
When the sum of the negatives is an integer is when the sum is a whole number
Yes
Yes
Zero can be expressed as the sum of any two opposite mixed number.
the sum of a number that is one less than three is two
No. 13/4 plus 61/4 = 8
2 mixed numbers can only be a whole when the 2 numerators add up to the number
nine less than the product of a number and two
An even number less than 57.
A) If a number has two digits, then the sum of its digits is less than the value of the original two-digit number.
If one of or both of the numbers are negative, then yes.
1+ 1and 1/2