Question
Fabian and Fred, together, can clean a hut in 3 hours. If Fabian is cleaning the hut alone, he can only complete the task in 8 hours. How long will Fred take to clean a hut all by himself? Express your answer in mixed number.
3 m

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Fabian and Fred, together, can clean a hut in 3 hours. If Fabian is cleaning the hut alone, he can only complete the task in 8 hours. How long will Fred take to clean a hut all by himself? Express your answer in mixed number.