It's true sir, anymore questions i can answer?
You would have to make the numbers have the same denominator. So you would have -15/20 + 4/20
Then you would have to put the sign of the higher number on it, So you would have -15/20 + 4/20 = -11/20
14 years. In 14 years Chloe will be 22 and Sheila will be 28. 22+28 is 50.
Each person will get 7/56, I believe
21 is the least common denominator of 7 and 3