Question

Здравствуйте, помогите.
1)13/22 + 2 1/7 : d= 1 1/2
2) g : 11/12 - 1 5/9 = 1 5/18

Answer 1

1)13/22 + 2 1/7 : d= 1 1/2
2 1/7:d=1 1/2-13/22=1 11/22-13/22=33/22-13/22=20/22=10/11
d=2 1/7:10/11=15/7*11/10
d=33/14
d=2 5/14
2) g : 11/12 - 1 5/9 = 1 5/18
q:11/12=1 5/18+1 5/9=1 5/18+1 10/18=2 15/18=2 5/6
q=11/12*2 5/6=11/12*17/6=187/72=2 43/72