4 1/3+1/6=4 2/6+1/6=4 3/6=4 1/2
5-2 2/5=5-2-2/5=3-2/5=2 3/5
2 1/8-(-2)=2 1/8+2=4 1/8
3 1/3+(-5)=3 1/3-5=-(5-3 1/3)= - 1 2/3
-2+4/5= -(2-4/5)= - 1 1/5
- 1 3/4 - 2 1/4= - 3 4/4= - 4
3 3/4-(-2/15)=3 45/60+8/60=3 53/60
-2 1/4+(-2 7/10)= - 2 5/20 - 2 14/20= - 4 19/20
-1 2/7+0= - 1 2/7