(1 1/9 +1 1/6) * (2 - 1 25/42)

Question

(1 1/9 +1 1/6) * (2 - 1 25/42)

Answer 1

(1 1/9 +1 1/6) * (2 - 1 25/42)= (10\9+7\6)*(2-67\42)= ((20+21)\18)*(1 42\42 - 67\42) = 41\18 * 17\42 = 697/756