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Obliczenia
[tex]4,4+\frac{1}{5}=4,4+\frac{2}{10}=4,4+0,2=4,6\\\\7\frac{3}{4}-2,5=7\frac{75}{100}-2,5=7,75-2,5=5,25\\\\4\frac{4}{9}-2,125=4\frac{4}{9}-2\frac{125}{1000}=4\frac{4}{9}-2\frac{1}{8}=4\frac{32}{72}-2\frac{9}{72}=2\frac{23}{72}[/tex]