tolong dibantu.................

13/4+26/3-7/2
39/12+104/12-42/12
101/12
8 5/12 (a)

3.1/4 +8.2/3- 3.1/2
(3+8-3) : 8
1/4+2/3-1/2
disamaain oenyebutnya jadi
3/12+8/12-6/12: 11/12-6/12 : 5/12
jadi hasilnya A. 8. 5/12