Ellie has 8 pairs of shoes. Riley has 3 fewer. How many pairs of shoes do they have in all? Let's be accurate as possible.
Riley has 3 fewer pairs of shoes than Ellie's 8, so 8 3 = 5 pairs of shoes. Together, they have Ellie's 8 + Riley's 5 = 13 pairs of shoes.
The answer: 13.