SOLUTION: If a group of people went into a coffee shop.2/5 bought a coffee and 1/3 bought a tea.The rest bought cake. What fraction bought cake?

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Question 1096832: If a group of people went into a coffee shop.2/5 bought a coffee and 1/3 bought a tea.The rest bought cake. What fraction bought cake?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
2/5 bought coffee and 1/3 bought tea
that is 6/15 and 5/15, using a common denominator.
All of the people are 15/15
15/15 - 6/15-5/15=4/15, and that is the fraction who bought cake.