Выразите в одинаковых долях 1) 3/8 и 15/16,2)19/80 и 13/16,3)5/9 и 41/81,4)11/75 и 14/15.
1)
3/8 = 6/16 и 15/16,
2)
19/80 и 13/16 = 65/80,
3)
5/9 = 45/81 и 41/81,
4)
11/75 и 14/15 = 70/75