Question

2-(1 11/30-1.7)*1 2/7:1 13/14

Answer 1

1)-(1 11/30-1,7)=-(41/30 - 17/10)= -(41/30 - 51/30)= -(- 10/30)=1/3
2)1/3 * 1 2/7 = 3/7
3) 3/7 : 1 13/14 = 3/7 : 27/14 =3/7*14/27= 2/9
4) 2+2/9 = 2/1 + 2/9 = 18/9+2/9=20/9=2 2|9