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Mathematics

Eight Standard

Test your understanding of this lesson Rational numbers | addition and subtraction:-

1)
\(\frac{13}{9}+\frac{5}{9}\)=
  • \(\frac{17}{9}\)
  • \(\frac{19}{9}\)
  • \(\frac{4}{3}\)
  • 2
2)
\(\frac{8}{-15}+\frac{-7}{20}\)=
  • \(\frac{-33}{60}\)
  • \(\frac{15}{20}\)
  • \(\frac{-53}{60}\)
  • \(\frac{53}{60}\)
3)
The value of \(\frac{-2}{3}+\frac{4}{9} -\frac{-5}{6}\) is
  • \(\frac{11}{18}\)
  • \(\frac{-11}{18}\)
  • \(\frac{19}{18}\)
  • \(\frac{-19}{18}\)
4)
The simplified value of \(\frac{-1}{5}-\frac{4}{7}-\frac{5}{21}\) is
  • \(\frac{-106}{105}\)
  • \(\frac{-116}{105}\)
  • \(\frac{-23}{21}\)
  • \(\frac{-38}{35}\)
5)
The simplified value of \(\frac{4}{3}+3-\frac{2}{3}-\frac{7}{4}\) is
  • \(\frac{29}{6}\)
  • \(\frac{23}{12}\)
  • \(\frac{-1}{3}\)
  • \(\frac{5}{12}\)
Hand draw

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