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Tyler and Katie started a lemonade stand to raise money. They donated 2/10 of their profits to their school library,1/10 to the animal shelter, and 4/10 to the food bank. They saved the rest to buy materials
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Tyler and Katie started a lemonade stand to raise money. They donated 2/10 of their profits to their school library,1/10 to the animal shelter, and 4/10 to the food bank. They saved the rest to buy materials for their next project.

What fraction of their profits did Tyler and Katie donate?

User Cyclomarc
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They donated 7/10 of their profits.  This cannot be simplified any further. 
User Rlotun
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