Решите плиз 2 1/7:(2 2/14+1 4/21)

Question

Решите плиз

2 1/7:(2 2/14+1 4/21)

Answer 1

2 2/14+1 4/21=2 6/42+1 8/42=3 14/42=3 1/3
2 1/7:3 1/3=15/7*3/10=9/14

Answer 2

1)2 2/14 +1 4/21=2 42/294 + 1 84/294=3 126/294 =3 63/132
2)2 1/7:3 63/132