Конечно, давай помогу! Здесь нужно просто складывать и вычитать дроби. Сейчас я решу все примеры по очереди:
1) $\frac{1}{2} + \frac{3}{8} = \frac{4}{8} + \frac{3}{8} = \frac{7}{8}$
2) $\frac{2}{7} + \frac{5}{14} = \frac{4}{14} + \frac{5}{14} = \frac{9}{14}$
3) $\frac{3}{5} + \frac{4}{15} = \frac{9}{15} + \frac{4}{15} = \frac{13}{15}$
4) $\frac{1}{8} + \frac{3}{16} = \frac{2}{16} + \frac{3}{16} = \frac{5}{16}$
5) $\frac{2}{9} + \frac{5}{18} = \frac{4}{18} + \frac{5}{18} = \frac{9}{18} = \frac{1}{2}$
6) $\frac{8}{13} - \frac{1}{26} = \frac{16}{26} - \frac{1}{26} = \frac{15}{26}$
7) $\frac{7}{15} - \frac{7}{30} = \frac{14}{30} - \frac{7}{30} = \frac{7}{30}$
8) $\frac{2}{19} - \frac{1}{38} = \frac{4}{38} - \frac{1}{38} = \frac{3}{38}$
9) $\frac{5}{7} - \frac{3}{14} = \frac{10}{14} - \frac{3}{14} = \frac{7}{14} = \frac{1}{2}$
10) $\frac{4}{21} - \frac{1}{7} = \frac{4}{21} - \frac{3}{21} = \frac{1}{21}$
11) $\frac{7}{20} + \frac{11}{50} = \frac{35}{100} + \frac{22}{100} = \frac{57}{100}$
12) $\frac{5}{9} - \frac{1}{3} = \frac{5}{9} - \frac{3}{9} = \frac{2}{9}$
13) $\frac{11}{40} + \frac{17}{120} = \frac{33}{120} + \frac{17}{120} = \frac{50}{120} = \frac{5}{12}$
14) $\frac{17}{33} - \frac{5}{22} = \frac{34}{66} - \frac{15}{66} = \frac{19}{66}$
15) $\frac{27}{76} - 0 = \frac{27}{76}$
16) $\frac{9}{20} + \frac{5}{8} = \frac{18}{40} + \frac{25}{40} = \frac{43}{40} = 1\frac{3}{40}$
17) $\frac{2}{7} + \frac{13}{28} = \frac{8}{28} + \frac{13}{28} = \frac{21}{28} = \frac{3}{4}$
18) $\frac{5}{13} - \frac{14}{39} = \frac{15}{39} - \frac{14}{39} = \frac{1}{39}$
19) $\frac{5}{8} - \frac{2}{7} = \frac{35}{56} - \frac{16}{56} = \frac{19}{56}$
20) $\frac{3}{4} + \frac{5}{12} = \frac{9}{12} + \frac{5}{12} = \frac{14}{12} = \frac{7}{6} = 1\frac{1}{6}$
21) $\frac{15}{23} - \frac{27}{46} = \frac{30}{46} - \frac{27}{46} = \frac{3}{46}$
22) $\frac{9}{25} - \frac{14}{117} = \frac{1053}{2925} - \frac{350}{2925} = \frac{703}{2925}$
23) $\frac{17}{35} - \frac{13}{28} = \frac{68}{140} - \frac{65}{140} = \frac{3}{140}$
24) $1 - \frac{2}{7} = \frac{7}{7} - \frac{2}{7} = \frac{5}{7}$
25) $\frac{13}{40} - \frac{11}{60} = \frac{39}{120} - \frac{22}{120} = \frac{17}{120}$
26) $\frac{5}{12} + \frac{3}{4} = \frac{5}{12} + \frac{9}{12} = \frac{14}{12} = \frac{7}{6} = 1\frac{1}{6}$
27) $1\frac{17}{33} + \frac{5}{22} = 1\frac{34}{66} + \frac{15}{66} = 1\frac{49}{66}$
28) $1\frac{5}{12} - \frac{7}{10} = 1\frac{25}{60} - \frac{42}{60} = \frac{85}{60} - \frac{42}{60} = \frac{43}{60}$
29) $7\frac{7}{8} - 1\frac{9}{10} = 7\frac{35}{40} - 1\frac{36}{40} = 6\frac{75}{40} - 1\frac{36}{40} = 5\frac{39}{40}$
30) $12\frac{3}{10} - 5\frac{11}{15} = 12\frac{9}{30} - 5\frac{22}{30} = 11\frac{39}{30} - 5\frac{22}{30} = 6\frac{17}{30}$
31) $7\frac{7}{15} - 1\frac{3}{20} = 7\frac{28}{60} - 1\frac{9}{60} = 6\frac{19}{60}$
32) $5\frac{1}{9} + 3\frac{2}{5} = 5\frac{5}{45} + 3\frac{18}{45} = 8\frac{23}{45}$
33) $3\frac{3}{8} + 1\frac{5}{12} = 3\frac{9}{24} + 1\frac{10}{24} = 4\frac{19}{24}$
34) $62\frac{2}{3} - 3\frac{5}{8} = 62\frac{16}{24} - 3\frac{15}{24} = 59\frac{1}{24}$
35) $12 - 10\frac{7}{9} = 11\frac{9}{9} - 10\frac{7}{9} = 1\frac{2}{9}$
36) $18 - 11\frac{8}{13} = 17\frac{13}{13} - 11\frac{8}{13} = 6\frac{5}{13}$
37) $15\frac{3}{17} - 4 = 11\frac{3}{17}$
38) $2\frac{1}{3} - \frac{4}{5} = 2\frac{5}{15} - \frac{12}{15} = 1\frac{20}{15} - \frac{12}{15} = 1\frac{8}{15}$
39) $16\frac{1}{4} + \frac{5}{8} = 16\frac{2}{8} + \frac{5}{8} = 16\frac{7}{8}$
