Question

evaluate:
1. (2/3*-5/4)+(-10/3*5/2)-(-16/3*-55/32) .
2. (-3/7*7/5) -(-6/10*-1/3) +(3/5*-10/9).
3. (7/3*1/28) +(3/4*5/2) +(-1/3*7/8).
please tell step by step method.........
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Answer 1

Answer:

$\frac{2 \times 5}{12} \times \frac{10 \times 5}{6} - \frac{ - 16 \times 55}{94}$