Plis na jutro Proszę o te dwa zadanialis na jutro Proszę o te dwa zadania

[latex]frac{1}{4} = frac{1 cdot 3}{4 cdot 3} =frac{3}{12}[/latex] [latex]frac{2}{7} = frac{2 cdot 4}{7 cdot 4} =frac{8}{28}[/latex] [latex]frac{4}{9} = frac{4 cdot 5}{9 cdot 5} =frac{20}{45}[/latex] [latex]frac{2}{5} = frac{10}{25}[/latex] [latex]frac{1}{3} = frac{6}{18}[/latex] [latex]frac{4}{7} = frac{20}{35}[/latex] [latex]frac{3}{8} = frac{24}{64}[/latex] [latex]frac{2}{5} = frac{6}{15}[/latex] [latex]frac{3}{4} = frac{15}{20}[/latex] [latex]frac{3}{4} = frac{27}{36}[/latex] [latex]frac{2}{7} = frac{12}{42}[/latex]