( 3 5/9 * 1 1/8 + 2,48 ) / ( 6,1 - 3,7 ) = ( 3 5/9 * 1 1/8 + 2 12/25 ) / ( 6 1/10 - 3 7/10 ) =
1)3 5/9 * 1 1/8 = 32/9 * 9 /8 = (сокращаются) = 4/1 = 4
2)4 + 2 12/25 = 6 12/25
3)6 1/10 - 3 7/10 = 2 2/5
4) 6 12/25 / 2 2/5 = 162/25 / 12/5 = 162/25 * 5/12 = 27/10 = 2 7/10