Question

$11frac{3}{7} * (frac{1}{10}+frac{2}{15})$

Answer 1

$frac{77+3}{11}(frac{3+4}{30})=frac{80*7}{7*30}=frac{8}{3}$

Answer 2

11 3/7 * (1/10+2/15) =2 2/3

 

1/10+2/15 = 1*3+2*2/30 = 7/30

11 3/7 * 7/30 = 80/7*7/30 = 8/3 = 2 2/3