Operations On Rational Numbers — Maths STD 7 — Question
Maharashtra BoardEnglish MediumSTD 7MathsOperations On Rational Numbers3 Marks
Question
Simplifiy:
$\frac{8}{9}+\frac{-11}{6}$
✓
Answer
$\frac{8}{9}+\frac{-11}{6}$
$\frac{8}{9}-\frac{11}{6}$
LCM of 5 and 10 is 10
$\frac{8}{9}=\frac{8\times2}{9\times2}=\frac{16}{18}$
$\frac{11}{6}=\frac{11\times3}{6\times3}=\frac{33}{18}$
$\frac{8}{9}+\frac{-11}{6}=\frac{16}{18}-\frac{33}{18}$
$=\frac{16-33}{18}$
$=\frac{-17}{18}$
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