Решить пример. (-0.54)-1.56* 3/7 заранее !

1) 1,56 * ( 3/7 ) = ( 156/100 ) * ( 3/7 ) = ( 39/25 ) * ( 3/7 ) = 117/175 ; 2) - 0,54 - ( 117/175 ) = - ( 27/50 ) - ( 117/175 ) = - ( 135/250 ) - ( 234/250 ) = - 369/250 = - 1,476