Question

Bobby's collection so sports cards has 3/10 baseball cards and 39/100 football cards. the rest are soccer cards. what fraction of bobby's sports cards are baseball or football.give u 100 points later promise

Answer 1

3/10×10= 30/100
30/100 are baseball cards
and 39/100 are football cards

39/100+30/100=69/100 are either baseball or football cards

Answer 2

69 out of 100 or 69/100 is your answer
 
because if you turn 3/10 into a fraction with a like denominators as 39/100 you get 30/100...then you add 39 and 30 and get 69/100.