Evaluate $\frac{3}{7}\times\frac{2}{5}-\frac{5}{35}$37×25−535, writing your answer in its simplest form.

Evaluate $\frac{3}{7}\times\frac{3}{5}+\frac{5}{35}$37×35+535, writing your answer in its simplest form.

Evaluate $\left(\frac{1}{4}+\frac{5}{3}\right)\times\frac{7}{9}$(14+53)×79, writing your answer as a fraction in its simplest form.

Understand operations on fractions, decimals, percentages, and integers