две целых две тридцать пятых = 2 2/35
11/20 : 1 3/8 х 5 1/7
1) 11/20 : 1 3/8 = 11 /20 : 11/8 = 11/20 Х 8/11 = 8/20 = 2/5
2) 2/5 х 5 1/7 = 2/5 х 36/7 = 72/35 = 2 2/35
две целых две тридцать пятых = 2 2/35
11/20 : 1 3/8 х 5 1/7
1) 11/20 : 1 3/8 = 11 /20 : 11/8 = 11/20 Х 8/11 = 8/20 = 2/5
2) 2/5 х 5 1/7 = 2/5 х 36/7 = 72/35 = 2 2/35