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Change it all to common demoniators so

7/8 = 84/96 (I multiplied both the numerator and denominator by 12)

11/12 = 88/96 (I multiplied both the numerator and denominator by 8)

Therefore

7/8 + 11/12 = 84/96 + 88/96 = 172/96

Simplify to get 43/24 or 1 and 19/24

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15y ago

What else can I help you with?