Maharashtra 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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