4 per 3 +2 per 7 tolong cara kerjanya plisss

4/3 + 2/7 = 28/21 + 6/21 = 34/21 = 1 13/21

[tex] \frac{4}{3} \times \frac{7}{7} = \frac{28}{21} [/tex]
[tex] \frac{2}{7} \times \frac{3}{3} = \frac{6}{21} [/tex]
[tex] \frac{28}{21} + \frac{6}{21} = \frac{34}{21} [/tex]