Question

Sum of 12/13+(-1/13)=

Answer 1

$\frac{12}{13}$ + $(- \frac{1}{13} )$

First, simplify the brackets. / Your problem should look like: $\frac{12}{13}$ - $\frac{1}{13}$
Second, simplify. / Your problem should look like: $\frac{11}{13}$

Answer as fraction: $\frac{11}{13}$
Answer as decimal: 0.8462

Answer 2

$\frac{12}{13} + (-\frac{1}{13}) = \frac{12}{13} - \frac{1}{13} = \frac{12-1}{13} =\boxed{ \frac{11}{13}}$