Сократите дробь:
а) $\frac{78}{338}$;
б) $\frac{255}{525}$;
в) $\frac{324}{405}$;
г) $\frac{84 * 108}{48 * 126}$;
д) $\frac{96 * 35 * 110}{33 * 80 * 105}$.
$\frac{78}{338} = \frac{78 : 2}{338 : 2} = \frac{39}{169} = \frac{39 : 13}{169 : 13} = \frac{3}{13}$
$\frac{255}{525} = \frac{255 : 5}{525 : 5} = \frac{51}{105} = \frac{51 : 3}{105 : 3} = \frac{17}{35}$
$\frac{324}{405} = \frac{324 : 9}{405 : 9} = \frac{36}{45} = \frac{36 : 9}{45 : 9} = \frac{4}{5}$
$\frac{84 * 108}{48 * 126} = \frac{3 * 28 * 9 * 12}{16 * 3 * 14 * 9} = \frac{28 * 12}{16 * 14} = \frac{14 * 2 * 4 * 3}{4 * 4 * 1 * 14} = \frac{2 * 3}{4} = \frac{2 * 3}{2 * 2} = \frac{3}{2} = 1\frac{1}{2}$
$\frac{96 * 35 * 110}{33 * 80 * 105} = \frac{6 * 16 * 1 * 35 * 11 * 10}{11 * 3 * 5 * 16 * 3 * 35} = \frac{6 * 1 * 10}{3 * 5 * 3} = \frac{2 * 3 * 1 * 2 * 5}{1 * 3 * 5 * 1 * 3} = \frac{2 * 2}{3} = \frac{4}{3} = 1\frac{1}{3}$
Пожауйста, оцените решение