Question

$6 \times \frac{3}{7} a - 8 \times \frac{5}{8}b - \frac{2}{3} c.|$
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Answer 1

$6*\frac{3}{7}a-8*\frac{5}{8} b-\frac{2}{3}c=\frac{18}{7}a-5b-\frac{2}{3} c=18*3a-5*21b-2*7c=54a-105b-21c$