Free interactive math game: Mixed Numbers — 2 1/3 + 1 2/5. Part of the Fractions category on MathKite.
Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.
Adding and subtracting mixed numbers.
Either handle the whole parts and the fractions separately, or convert both to improper fractions and work with those.
Two and a half plus one and a quarter is three and three quarters.
Fractions that overflow. If they add past one, the extra whole has to move into the whole-number part.