tlng jwab yaa 1-4 plis jwb bsk akan dikumpuLin

[tex]1. \: 3 \frac{3}{8} + 4 \frac{3}{4} \\ \: \: \: \: = (3 + 4) \frac{3}{8} + \frac{3}{4} \\ \: \: \: \: = 7 \frac{12 + 24}{32} \\ \: \: \: \: = 7 \frac{36}{32} = 8 \frac{4}{32} \\ \: \: \: \: = 8 \frac{1}{8} \\ \\ 2. \: 2 \frac{4}{10} + 5 \frac{3}{8} \\ \: \: \: \: = (2 + 5) \frac{4}{10} + \frac{3}{8} \\ \: \: \: \: = 7 \frac{32 + 30}{80} \\ \: \: \: \: = 7 \frac{62}{80} = 7 \frac{31}{40} \\ \\ 3. \: 4 \frac{4}{9} + 5 \frac{2}{6} \\ \: \: \: \: = (4 + 5) \frac{4}{9} + \frac{2}{6} \\ \: \: \: \: = 9 \frac{24 + 18}{54} \\ \: \: \: \: = 9 \frac{42}{54} = 9 \frac{7}{9} \\ \\ 4. \: 1 \frac{4}{12} + 2 \frac{7}{8} \\ \: \: \: \: = (1 + 2) \frac{4}{12} + \frac{7}{8} \\ \: \: \: \: = 3 \frac{32 + 84}{96} \\ \: \: \: \: = 3 \frac{116}{96} = 4 \frac{20}{96} \\ \: \: \: \: = 4 \frac{5}{24} [/tex]