Find the value of $\frac{7}{9}-\frac{1}{3}$79−13.
Find the value of $\frac{1}{2}+\frac{1}{10}$12+110.
Find the value of $\frac{1}{5}+\frac{1}{10}$15+110.
Find the value of $\frac{1}{4}-\frac{1}{20}$14−120.
compares, orders and calculates with fractions, decimals and percentages