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Rational Numbers — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsRational Numbers3 Marks
Question
Subtract:
$-7\text{ from }\frac{-4}{7}$
✓

Answer

$-7\text{ from }\frac{-4}{7}$
$\frac{-7}{1}=\frac{-7\times7}{1\times7}=\frac{-49}{7}$
$\therefore\frac{-4}{7}-\Big(\frac{-7}{1}\Big)=\frac{-4}{7}+\frac{7}{1}$
$=\frac{-4}{7}+\frac{49}{7}=\frac{-4+49}{7}$
$=\frac{45}{7}$

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