Question

verify the following ​

Answer 1

Answer:

$\frac{ - 8}{11} + \frac{ - 9}{13} = \frac{ - 9}{13} + \frac{ - 8}{11} \\ lcm \: of \: 11 \: \: a nd \: 13 \: is \: 143 \: other \: one \: is \: also \: 143 \\ \frac{( - 104) + ( - 99)}{143} = \frac{( - 99) + ( - 104)}{143} \\ \frac{ - 203}{143} = \frac{ - 203}{143} \\ lhs = rhs$

verify

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