yang jawab saya follow.
Nomor 1.
[tex] \frac{4}{5} + \frac{2}{15} + \frac{2}{3} \\ \\ = \frac{12 + 2 + 10}{15} \\ \\ = \frac{24}{15} = \frac{8}{5} = 1 \frac{3}{5} [/tex]
Nomor 2.
[tex] \frac{1}{2} + \frac{4}{8} + \frac{3}{4} \\ \\ = \frac{1}{2} + \frac{1}{2} + \frac{3}{4} \\ \\ = \frac{2 + 2 + 3}{4} \\ \\ = \frac{7}{4} = 1 \frac{3}{4} [/tex]
Nomor 3.
[tex] \frac{2}{3} + \frac{1}{9} + \frac{6}{18} \\ \\ = \frac{2}{3} + \frac{1}{9} + \frac{1}{3} \\ \\ = \frac{6 + 1 + 3}{9} \\ \\ = \frac{10}{9} = 1 \frac{1}{9} [/tex]
Nomor 4.
[tex] \frac{3}{4} + \frac{1}{12} + \frac{6}{20} \\ \\ = \frac{3}{4} + \frac{1}{12} + \frac{3}{10} \\ \\ = \frac{45 + 5 + 18}{60} \\ \\ = \frac{68}{60} = \frac{17}{15} = 1 \frac{2}{15} [/tex]
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