Answer:
![(12+84)/(11+13)=(96)/(24)=(32)/(8)=4](https://img.qammunity.org/2021/formulas/mathematics/middle-school/mvtf1pkxi48zmoi9f27j2hh674uc72xaiv.png)
Explanation:
The given expression is
![(12+84)/(11+13)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/4da3mdwmlvfx39f0bcg46v6ne76a8opybn.png)
To solve this expression, we just have to solve all operations involved, which basically consist in just additions
![(12+84)/(11+13)=(96)/(24)=(32)/(8)=4](https://img.qammunity.org/2021/formulas/mathematics/middle-school/mvtf1pkxi48zmoi9f27j2hh674uc72xaiv.png)
What we did was operate the additions and then we simplified by the third part, and then by the eighth part.