12 1/2-3 2/5+1 16/24 tolong pakai caranya

ini jawabannya...maaf klw jawabannya salah...

[tex]12 \frac{1}{2} - 3 \frac{2}{5} + 1 \frac{16}{24} \\ = \frac{25}{2} - \frac{17}{5} + \frac{40}{24 } \\ = \frac{1500 - 408 + 200}{120} \\ = \frac{1292}{120} \\ = 10 \frac{92}{120} [/tex]