Question

15. What should be add to 1/2+1/3 +1/4 to get -1​

Answer 1

Answer:

$\frac{1}{2} + \frac{1}{3} + \frac{1}{4} + x = - 1 \\ \frac{5}{6} + \frac{1}{4 } + x = 1 \\ \frac{26}{24 } + x = - 1 \\ x = - 1 - \frac{26}{24 } \\ x = \frac{ - 50}{24}$

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