Решите это выражение прошу

( 2 3/7 × 49/51 - 1 1/3 : (-2)) : (-0.3)= (17/7 × 49/51 - 4/3 : (-2)) : (-0.3)= ((17 × 49)/(7×51) + 4/(3 × 2)) : (-0.3)= (7/3 + 4/6) : (-0.3)= (14/6 + 4/6) : (-0.3)= 18/6 : (-0.3)= 18/6 : (-3/10)= 18/6 × (-10/3)= - (18×10)/(6×3)= - 10