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first set up your problem like this:2 and 1/2 + 1 and 3/4

change 1/2 so you can add it with 3/4

it should be 2/4

2/4 +3/4= 5/4 or 1 and 1/4

add that to 3(2+1)

and you get 4 and 1/4

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13y ago

What else can I help you with?