Asked by Anonymous

A group of friends went to a coffee shop.
2/5 bought coffee
1/3 bought tea
4/15 bought cake
What is the smallest posible number of people in the group?
Answered by Ms. Sue
15
Answered by Damon
(6/15 + 5/15 + 4/15)x = x
looks like 15 to me. There is no smaller common denominator
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