75 4/5+20 1/3+ 33 1/4

[tex]75+20+33 + \frac{4}{5} + \frac{1}{3} + \frac{1}{4} \\ = 128 + \frac{(4 \times 12) + (1 \times 20) + (1 \times 15)}{60} \\ = 128 + \frac{48 + 20 + 15}{60} \\ = 128 + \frac{83}{60} = 129 \frac{23}{60} [/tex]