Respuesta :

2 25/28

1 1/7 x 1 3/4

7+1=8 4+3=7

8/7 + 7/4

x4 x7

32/28 + 49/28= 81/28

28 x 2 = 56

81-56=25

2 25/28
8/7x7/4
So, the answer is 56/28