4. 2 1/6+8 3/6= 10 2/3

5. -2 4/5+(-2/5)= 3 1/5

6. 3 3/8+6 5/8=10

4 answers

5 is wrong

The other two are right.
5 is -2 -2/5
Right. - 2 2/5
Thank you, Ms. Sue!