D. add or subtract. reduce answers whenever possible.
1.4/9 + 1/9 +2/9 =____
2.3/4 ___
+ 1/6___
__________
3.5/6____
- 3/5_____
__________
4.11/12_____
-3/4______
_________
5.1 3/4_____
+ 4 1/8_____
__________​