O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Rational Numbers, Exercise 3: Exercise

Evaluate $\left(-\frac{1}{2}-\frac{7}{9}\right)-\left(\frac{-11}{36}\right)$.

Evaluate $\left(\frac{2}{3}+\frac{3}{7}\right)-\frac{-5}{7}$. Write the answer in a mixed fraction.

Evaluate $\left(\frac{9}{-10}-\frac{-7}{23}\right)+\frac{10}{23}$.

Evaluate $\left(-\frac{1}{2}+\frac{7}{-9}\right)-\frac{10}{-13}$.

What should be added to $\frac{-7}{12}$ so as to get $\frac{9}{16}$? Write the answer in a mixed fraction.

Simplify $-6\frac{2}{3}-\left(-1\frac{5}{6}\right)+\frac{7}{-12}-\frac{-13}{24}$. Write the answer in a mixed fraction.

Simplify $9.48-6\frac{9}{10}+11\frac{1}{2}$. Write the answer in a mixed fraction.

Evaluate $n-\frac{11}{6}$ for $n=-\frac{1}{3}$. Write the answer in a mixed fraction.