1= 5/4
2= -103/40
1st explanation
-12/15 + 4/5 + 7/12
-8 + 48 + 35/60
75/60
5/4
2nd explanation
-1 3/5 + 5 1/8 - 6 1/10
-8/5 + 41/8 + 61/10
- 64 + 205 + 244 / 40
-103/140
-103 / 40
