A) \[\frac{72}{95}\]
B) \[\frac{95}{72}\]
C) \[\frac{-72}{95}\]
D) \[\frac{-95}{72}\]
Correct Answer: B
Solution :
Let the number to be added be x. Then, \[\frac{-7}{8}+x=\frac{4}{9}\,\,\Rightarrow \,\,x=\frac{4}{9}-\left( \frac{-7}{8} \right)\] \[=\frac{4}{9}+\frac{7}{8}\] \[\left[ Since-\left( \frac{-7}{8} \right)=\frac{7}{8}. \right]\] \[=\frac{(32+63)}{72}=\frac{95}{72}\] Hence, the required number is \[\frac{95}{72}\] .
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