(11/7) +(24/7)=
(1/2) / (2/3)=
(3/8)*(4/3)=
(7/6) / (21/18)=
(1/5)+(3/4)=
(3/5)*(5/2)=
(5/3)+(7/3)=
(3/34)*(68/24)=
(7/2)-(3/2)=
(6/7)-(2/3)=
19/20
4/21
1/2
3/2
3/4
1/4
2
1
12/3
5
