Сложение и вычитание дробей с разными знаменателями. Вычисли и прочитай поговорку. Не забудь сократить дроби и выделить мелую часть, если это необходимо

Решим примеры:

P. \(\frac{2}{3} + \frac{3}{4} = \frac{8}{12} + \frac{9}{12} = \frac{17}{12} = 1\frac{5}{12}\)

У. \(\frac{8}{7} - \frac{10}{11} = \frac{88}{77} - \frac{70}{77} = \frac{18}{77}\)

Т. \(\frac{4}{5} + \frac{6}{15} = \frac{12}{15} + \frac{6}{15} = \frac{18}{15} = \frac{6}{5} = 1\frac{1}{5}\)

Г. \(\frac{9}{10} + \frac{7}{30} = \frac{27}{30} + \frac{7}{30} = \frac{34}{30} = \frac{17}{15} = 1\frac{2}{15}\)

3. \(\frac{3}{8} + \frac{7}{12} = \frac{9}{24} + \frac{14}{24} = \frac{23}{24}\)

О. \(\frac{1}{2} + \frac{3}{4} + \frac{5}{6} = \frac{6}{12} + \frac{9}{12} + \frac{10}{12} = \frac{25}{12} = 2\frac{1}{12}\)

Ч. \(\frac{1}{2} + \frac{1}{3} + \frac{1}{4} + \frac{1}{5} = \frac{30}{60} + \frac{20}{60} + \frac{15}{60} + \frac{12}{60} = \frac{77}{60} = 1\frac{17}{60}\)

Е. \(\frac{5}{6} + \frac{1}{3} - \frac{6}{16} = \frac{40}{48} + \frac{16}{48} - \frac{18}{48} = \frac{38}{48} = \frac{19}{24}\)

О. \(\frac{2}{3} + \frac{3}{2} - \frac{4}{5} + \frac{5}{4} = \frac{40}{60} + \frac{90}{60} - \frac{48}{60} + \frac{75}{60} = \frac{157}{60} = 2\frac{37}{60}\)

B. \(\frac{4}{5} + \frac{3}{7} = \frac{28}{35} + \frac{15}{35} = \frac{43}{35} = 1\frac{8}{35}\)

H. \(\frac{7}{9} - \frac{9}{16} = \frac{112}{144} - \frac{81}{144} = \frac{31}{144}\)

O. \(\frac{7}{12} - \frac{1}{2} = \frac{7}{12} - \frac{6}{12} = \frac{1}{12}\)

Л. \(\frac{18}{19} - \frac{21}{76} = \frac{72}{76} - \frac{21}{76} = \frac{51}{76}\)

У. \(\frac{11}{15} - \frac{3}{25} = \frac{55}{75} - \frac{9}{75} = \frac{46}{75}\)

A. \(\frac{4}{6} + \frac{3}{9} - \frac{1}{12} = \frac{24}{36} + \frac{12}{36} - \frac{3}{36} = \frac{33}{36} = \frac{11}{12}\)

P. \(\frac{5}{12} + \frac{6}{8} - \frac{1}{2} + \frac{2}{3} = \frac{10}{24} + \frac{18}{24} - \frac{12}{24} + \frac{16}{24} = \frac{32}{24} = \frac{4}{3} = 1\frac{1}{3}\)

И. \(\frac{9}{10} - \frac{3}{5} + \frac{1}{20} + \frac{3}{6} = \frac{18}{20} - \frac{12}{20} + \frac{1}{20} + \frac{10}{20} = \frac{17}{20}\)

Я. \(\frac{4}{11} + \frac{3}{22} - \frac{2}{33} + \frac{1}{44} = \frac{48}{132} + \frac{18}{132} - \frac{8}{132} + \frac{3}{132} = \frac{61}{132}\)

E. \(\frac{12}{17} + \frac{2}{4} = \frac{48}{68} + \frac{34}{68} = \frac{82}{68} = \frac{41}{34} = 1\frac{7}{34}\)

Г. \(\frac{10}{13} - \frac{3}{26} = \frac{20}{26} - \frac{3}{26} = \frac{17}{26}\)

C. \(\frac{15}{24} + \frac{21}{36} = \frac{45}{72} + \frac{42}{72} = \frac{87}{72} = \frac{29}{24} = 1\frac{5}{24}\)

H. \(\frac{7}{12} + \frac{7}{18} = \frac{21}{36} + \frac{14}{36} = \frac{35}{36}\)

И. \(\frac{23}{26} + \frac{5}{8} - \frac{6}{13} = \frac{92}{104} + \frac{65}{104} - \frac{48}{104} = \frac{109}{104} = 1\frac{5}{104}\)

A. \(\frac{6}{11} - \frac{3}{22} + \frac{4}{33} = \frac{36}{66} - \frac{9}{66} + \frac{8}{66} = \frac{35}{66}\)

Ч. \(\frac{7}{9} - \frac{5}{18} + \frac{1}{3} - \frac{5}{6} = \frac{14}{18} - \frac{5}{18} + \frac{6}{18} - \frac{15}{18} = \frac{-4}{18} = -\frac{2}{9}\)

И. \(\frac{7}{8} - \frac{2}{5} + \frac{1}{2} - \frac{9}{20} = \frac{35}{40} - \frac{16}{40} + \frac{20}{40} - \frac{18}{40} = \frac{21}{40}\)

M. \(\frac{2}{3} - \frac{4}{9} + \frac{6}{27} - \frac{11}{36} = \frac{24}{36} - \frac{16}{36} + \frac{8}{36} - \frac{11}{36} = \frac{5}{36}\)