Приведите дроби к наименьшему общему знаменателю:
а) $\frac{1}{4}$ и $\frac{1}{6}$;
б) $\frac{1}{4}$ и $\frac{1}{10}$;
в) $\frac{1}{6}$ и $\frac{1}{8}$;
г) $\frac{1}{6}$ и $\frac{1}{9}$;
д) $\frac{1}{10}$ и $\frac{1}{15}$;
е) $\frac{1}{10}$ и $\frac{1}{25}$;
ж) $\frac{1}{30}$ и $\frac{1}{40}$;
з) $\frac{1}{30}$ и $\frac{1}{50}$;
и) $\frac{1}{70}$ и $\frac{1}{60}$;
к) $\frac{1}{50}$ и $\frac{1}{80}$;
л) $\frac{1}{60}$ и $\frac{1}{15}$;
м) $\frac{1}{24}$ и $\frac{1}{120}$;
н) $\frac{3}{50}$ и $\frac{7}{25}$;
о) $\frac{7}{200}$ и $\frac{11}{40}$;
п) $\frac{8}{17}$ и $\frac{9}{34}$;
р) $\frac{3}{40}$ и $\frac{7}{25}$.
$\frac{1}{4}$ и $\frac{1}{6}$
НОК(4, 6) = 12
$\frac{1}{4} = \frac{1 * 3}{4 * 3} = \frac{3}{12}$
$\frac{1}{6} = \frac{1 * 2}{6 * 2} = \frac{2}{12}$
$\frac{3}{12}$ и $\frac{2}{12}$
$\frac{1}{4}$ и $\frac{1}{10}$
НОК(4, 10) = 20
$\frac{1}{4} = \frac{1 * 5}{4 * 5} = \frac{5}{20}$
$\frac{1}{10} = \frac{1 * 2}{10 * 2} = \frac{2}{20}$
$\frac{5}{20}$ и $\frac{2}{20}$
$\frac{1}{6}$ и $\frac{1}{8}$
НОК(6, 8) = 24
$\frac{1}{6} = \frac{1 * 4}{6 * 4} = \frac{4}{24}$
$\frac{1}{8} = \frac{1 * 3}{8 * 3} = \frac{3}{24}$
$\frac{4}{24}$ и $\frac{3}{24}$
$\frac{1}{6}$ и $\frac{1}{9}$
НОК(6, 9) = 18
$\frac{1}{6} = \frac{1 * 3}{6 * 3} = \frac{3}{18}$
$\frac{1}{9} = \frac{1 * 2}{9 * 2} = \frac{2}{18}$
$\frac{3}{18}$ и $\frac{2}{18}$
$\frac{1}{10}$ и $\frac{1}{15}$
НОК(10, 15) = 30
$\frac{1}{10} = \frac{1 * 3}{10 * 3} = \frac{3}{10}$
$\frac{1}{15} = \frac{1 * 2}{15 * 2} = \frac{2}{30}$
$\frac{3}{30}$ и $\frac{2}{30}$
$\frac{1}{10}$ и $\frac{1}{25}$
НОК(10, 25) = 50
$\frac{1}{10} = \frac{1 * 5}{10 * 5} = \frac{5}{50}$
$\frac{1}{25} = \frac{1 * 2}{25 * 2} = \frac{2}{50}$
$\frac{5}{50}$ и $\frac{2}{50}$
$\frac{1}{30}$ и $\frac{1}{40}$
НОК(30, 40) = 120
$\frac{1}{30} = \frac{1 * 4}{30 * 4} = \frac{4}{120}$
$\frac{1}{40} = \frac{1 * 3}{40 * 3} = \frac{3}{120}$
$\frac{4}{120}$ и $\frac{3}{120}$
$\frac{1}{30}$ и $\frac{1}{50}$
НОК(30, 50) = 150
$\frac{1}{30} = \frac{1 * 5}{30 * 5} = \frac{5}{150}$
$\frac{1}{50} = \frac{1 * 3}{50 * 3} = \frac{3}{150}$
$\frac{5}{150}$ и $\frac{3}{150}$
$\frac{1}{70}$ и $\frac{1}{60}$
НОК(70, 60) = 420
$\frac{1}{70} = \frac{1 * 6}{70 * 6} = \frac{6}{420}$
$\frac{1}{60} = \frac{1 * 7}{60 * 7} = \frac{7}{420}$
$\frac{6}{420}$ и $\frac{7}{420}$
$\frac{1}{50}$ и $\frac{1}{80}$
НОК(50, 80) = 400
$\frac{1}{50} = \frac{1 * 8}{50 * 8} = \frac{8}{400}$
$\frac{1}{80} = \frac{1 * 5}{80 * 5} = \frac{5}{400}$
$\frac{8}{400}$ и $\frac{5}{400}$
$\frac{1}{60}$ и $\frac{1}{15}$
НОК(60, 15) = 60
$\frac{1}{15} = \frac{1 * 4}{15 * 4} = \frac{4}{60}$
$\frac{1}{60}$ и $\frac{4}{60}$
$\frac{1}{24}$ и $\frac{1}{120}$
НОК(24, 120) = 120
$\frac{1}{24} = \frac{1 * 5}{24 * 5} = \frac{5}{120}$
$\frac{5}{120}$ и $\frac{1}{120}$
$\frac{3}{50}$ и $\frac{7}{25}$
НОК(50, 25) = 50
$\frac{7}{25} = \frac{7 * 2}{25 * 2} = \frac{14}{50}$
$\frac{3}{50}$ и $\frac{14}{50}$
$\frac{7}{200}$ и $\frac{11}{40}$
НОК(200, 40) = 200
$\frac{11}{40} = \frac{11 * 5}{40 * 5} = \frac{55}{200}$
$\frac{7}{200}$ и $\frac{55}{200}$
$\frac{8}{17}$ и $\frac{9}{34}$
НОК(17, 34) = 34
$\frac{8}{17} = \frac{8 * 2}{17 * 2} = \frac{16}{34}$
$\frac{16}{34}$ и $\frac{9}{34}$
$\frac{3}{40}$ и $\frac{7}{25}$
НОК(40, 25) = 200
$\frac{3}{40} = \frac{3 * 5}{40 * 5} = \frac{15}{200}$
$\frac{7}{25} = \frac{7 * 8}{25 * 8} = \frac{56}{200}$
$\frac{15}{200}$ и $\frac{56}{200}$
Пожауйста, оцените решение