Приведите дроби 4/9 ,5/6, 7/2 и 4/3 к знаменателю 18 Приведите дроби 7/8,8/6, 5/16 и 21/40 к знаменателю 80

[latex] \frac{4}{9}= \frac{8}{18}[/latex] [latex] \frac{5}{6}= \frac{15}{18}[/latex] [latex] \frac{7}{2}=\frac{63}{18}= 3\frac{1}{2}[/latex] [latex] \frac{4}{3}=\frac{24}{18}= 1\frac{1}{3}[/latex] [latex] \frac{7}{8}=\frac{70}{80}[/latex] [latex] \frac{21}{40}= \frac{42}{80}[/latex] [latex] \frac{5}{16}= \frac{25}{80}[/latex] [latex] \frac{8}{5}= \frac{128}{80}= 1\frac{6}{10} [/latex]