Выполните действия (8 13/18 - 6 17/110) * 1 3/217

(8 13/18 - 6 17/110) * 1 3/217=(8 715/990 - 6 153/990) * 1 3/217=
=2 562/990*220/217=2542/990*220/217=2542/9*2/217=82/9*2/7=164/63=2 38/63

(8 13/18 - 6 17/110) * 1 3/217 = 2 38/63
1) 8 13/18 - 6 17/110 = 8 715/990 - 6 153/990 = 2 562/990 = 2 281/495
2) 2 281/495 * 1 3/217 = 1271/495 * 220/217 = (41*4)/(9*7) = 164/63 = 2 38/63