1.2 1/6 + 1 2/3 = 2.2 1/4 - 1 2/5 = jwab yah bsk di kumpul pr mtk nya ok

1.[tex]2 \frac{1}{6} +1 \frac{2}{3} = \frac{13}{6} + \frac{5}{3} = \frac{13}{6} + \frac{10}{6} = \frac{23}{6} =3 \frac{5}{6} [/tex]

2.[tex]2 \frac{1}{4} -1 \frac{2}{5} = \frac{9}{4} - \frac{7}{5} = \frac{45}{20} - \frac{28}{20} = \frac{17}{20} [/tex]