Gujarat BoardEnglish MediumSTD 8MATHSRational Numbers2 Marks
Question
Simplify: $3+\frac{5}{-7}$
✓
Answer
$3+\frac{5}{-7}$ $\frac{5}{-7}=\frac{-5}{7}$
The $LCM$ of the denominator $1$ and $7$ is $7$.
Now, We will expresss $\frac{3}{1}$ in the form in which it taken denominator as $7$.
$\frac{3}{1}=\frac{3\times7}{1\times7}=\frac{21}{7}$ So, $\frac{21}{7}+\frac{-5}{7}$
$=\frac{21-5}{7}=\frac{16}{7}$
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