Ответ:
- ж) \(\frac{8}{25}+\frac{17}{20}=\frac{32}{100}+\frac{85}{100}=\frac{117}{100}=1\frac{17}{100}\).
- з) \(\frac{4}{45}-\frac{1}{30}=\frac{8}{90}-\frac{3}{90}=\frac{5}{90}=\frac{1}{18}\).
- и) \(\frac{17}{18}-\frac{11}{12}=\frac{34}{36}-\frac{33}{36}=\frac{1}{36}\).
- к) \(\frac{11}{15}+\frac{5}{12}=\frac{44}{60}+\frac{25}{60}=\frac{69}{60}=\frac{23}{20}=1\frac{3}{20}\).
- л) \(\frac{1}{3}+\frac{1}{6}=\frac{2}{6}+\frac{1}{6}=\frac{3}{6}=\frac{1}{2}\).
- м) \(\frac{3}{4}-\frac{2}{5}=\frac{15}{20}-\frac{8}{20}=\frac{7}{20}\).
Ответ: ж) 1\(\frac{17}{100}\); з) \(\frac{1}{18}\); и) \(\frac{1}{36}\); к) 1\(\frac{3}{20}\); л) \(\frac{1}{2}\); м) \(\frac{7}{20}\).
