Question

2 1/3 -3 2/3+1 5/6 =

Answer 1

5/3-11/3+11/6=-6/3+11/6=-12+11/6=-1/6

Answer 2

(b)
$2 \frac{1}{2} - 3 \frac{2}{3} + 1 \frac{5}{6} \\ = \frac{5}{2} + \frac{11}{6} - \frac{11}{3} \\ lcm \: is \: 6 \\ = \frac{15}{6} + \frac{11}{6} - \frac{22}{6} \\ = \frac{26 - 22}{6} \\ = \frac{4}{6} \\ = \frac{2}{3}$