[tex]a)\\0,75+\frac45=\frac34+\frac45=\frac{15}{20}+\frac{16}{20}=\frac{31}{20}=1\frac{11}{20}[/tex]
[tex]b)\\\frac56+0,3=\frac56+\frac{3}{10}=\frac{50}{60}+\frac{18}{60}=\frac{68}{60}=1\frac{8}{60}=1\frac{2}{15}[/tex]
[tex]c)\\0,25+\frac37=\frac14+\frac37=\frac{7}{28}+\frac{12}{28}=\frac{19}{28}[/tex]
[tex]d)\\4\frac58+0,6=4\frac58+\frac{3}{5}=4\frac{25}{40}+\frac{24}{40}=4\frac{49}{40}=4\frac{9}{40}[/tex]
[tex]e)\\0,15+7\frac13=\frac{15}{100}+7\frac13=\frac{3}{20}+7\frac13=\frac{9}{60}+7\frac{20}{60}=7\frac{29}{60}[/tex]
[tex]f)\\\frac34+4,56=\frac34+4\frac{56}{100}=\frac{75}{100}+4\frac{56}{100}=4\frac{131}{100}=5\frac{31}{100}\\\frac34+4,56=0,75+4,56=5,31[/tex]
[tex]g)\\10\frac12+2,875=10,5+2,875=13,375[/tex]
[tex]h)\\1,02+3\frac9{50}=1,02+3\frac{18}{100}=1,02+3,18=4,2[/tex]
[tex]i)\\2\frac59+1,4=2\frac59+\frac{14}{10}=2\frac{50}{90}+\frac{126}{90}=2\frac{176}{90}=3\frac{86}{90}=3\frac{43}{45}[/tex]
