Hot dogs come packed 10 in a package. Hot dog buns come packed 8 in a package. If we want one hot dog for each bun for a picnic with none left over, what is the LEAST amount of each we need to buy? How many packages of each item would we have to buy?
Four packages of hot dogs =40 hot dogs.
Five packages of buns =40 buns. LCM (8,10)=40.