Lake Crystal has twenty percent fewer frogs than Lassie Lake, a total of 20/100*45=<<20/100*45=9>>9 frogs

The total number of frogs in Lake Crystal is 45-9=<<45-9=36>>36

Together, the two lakes have 36+45=<<36+45=81>>81 frogs

# Answer

81
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Lake Crystal has twenty percent fewer frogs than Lassie Lake. If Lassie Lake has forty-five frogs, how many frogs are there in total in the two lakes?
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81
Lake Crystal has twenty percent fewer frogs than Lassie Lake. If Lassie Lake has forty-five frogs, how many frogs are there in total in the two lakes?
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