Question

maths Chapter Rational Numbers​

Answer 1

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$\large \: Let \: \: the \: \: other \: \: no. \: \: be \: \: x \\ \\ \large \: \frac{1}{8} + x = \frac{5}{18} \\ \\\large \: x = \frac{5}{18} - \frac{1}{8} \\ \\\large \: Taking \: \: LCM \\ \\\large \: x = \frac{5 \times 4}{18 \times 4} - \frac{1 \times 9}{8 \times 9} \\ \\ \large \: x = \frac{20}{72} - \frac{9}{72} \\ \\\large \: x = \frac{11}{72} \\ \\ \large \:\therefore \: The \: \: other \: \: no. \: \: is \: \: \frac{11}{72}$