Gujarat BoardEnglish MediumSTD 8MATHSRational Numbers3 Marks
Question
Simplify: $\frac{8}{9}+\frac{-11}{6}$
✓
Answer
$\frac{8}{9}+\frac{-11}{6}$ The $LCM$ of the denominator $9$ and $6$ is $18.$
Now, We will express $\frac{8}{9}$ and $\frac{-11}{6}$ in the form in which it taken denominator as $18$.
$\frac{8}{9}=\frac{8\times2}{9\times2}=\frac{16}{18}$
$\frac{-11}{6}=\frac{-11\times3}{6\times3}=\frac{-33}{18}$
So, $\frac{16}{18}+\frac{-33}{18}$
$=\frac{16-33}{18}=\frac{-17}{18}$
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