Question

divide the sum of 65/12 and 12/7 by their diffrence

Answer 1

Hope this helps you :)

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Answer 2

Sum = 65/12 + 12/7 = (65×7 + 12×12)/(12×7)
Difference = 65/12 - 12/7 = (65×7 - 12×12)/(12×7)

Sum/Difference = (65×7 + 12×12)/(65×7 - 12×12)
= 599/311