Question

Miguel has some trading cards. Half of the cards are baseball cards 2/5 are soccer cards and the rest are basketball cards how many are basketball cards?

Answer 1

Answer : 1/10

Steps

Lets make his trading cards into tenths

If half of the cards are baseball, 5/10 are baseball

2/5 are soccer, 4/10 are soccer

5/10 + 4/10 = 9/10

How much is left? 

1/10 is left so 1/10 are basketball cards

Answer 2

1/10 basketball cards