please help 20 points

Step-by-step explanation:
4•10/11 +7•9/11
=54/11+86/11
=140/11
=12•8/11
Answer:
[tex]12\frac{8}{11}[/tex]
Step-by-step explanation:
[tex]4\frac{10}{11} +7\frac{9}{11}[/tex]
→ Add the whole numbers and numerators
[tex]11\frac{19}{11}[/tex]
→ Turn into proper mixed fraction
[tex]12\frac{8}{11}[/tex]