Question

2 and one-third plus 3 and one-half is equal to what number?

Answer 1

2 1/3 + 3 1/2 = ?

7/3 + 7/2 = ?

Does that make sense?
They are equivalent

Answer 2

You can then use cross multiplication to make the denominator the same.

14/6 + 21/6 = 35/6

Is that clear?